IICSF
FACT - PYQ PART 1
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Category: fact part 1
1) In microscopic examination, the ocular lens of 10X and objective lens of 20X would give magnification:
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2) Which element is irrelevant for a qualified and competent expert?
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3) Corpus delecti means:
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4) If an object is immersed in a liquid of higher density then:
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5) What is the full form of NIC used in computers?
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6) Next number in the series 3,6,8,16,18,....is
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7) Which of the following is using flash memory chips?
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8) What is the probability of all the three coins tossed simultaneously falling with pattern of one head and two tails?
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9) Currency Note Press, India Security Press, Security Paper Mill organisations are under direct administrative control of:
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10) She had a hair breadth escape from the road accident. Which word relates to this sentence:
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11) Splashes of blood on striking a surface obliquely, would appear as:
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12) For packing of different types of physical evidence, only clean containers should be used, because it helps in maintaining:
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13) In crimes involving firearms, the clothes of victim bearing gun-shot holes should be handled in which of the following ways?
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14) According to the Simon New Comb Theory:-
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15) Which of the following is appropriate method of handling a firearm recovered at scene of crime?
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16) Which one of the following is used to preserve blood for DNA profiling?
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17) What should be the minimum number of laboratories participating in Proficiency test for quantitative analysis of a test item?
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18) Amongst given options, sound travels at fastest speed in:
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19) "Laser discs and compact discs" are classified as
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20) To verify the integrity of the original Hard Disk, we use
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21) Which one of the following is the India's highest peace time military decoration award for valour, courageous action or self sacrifice away from the battlefield?
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22) In which year, Sir C.V. Raman got Nobel Prize?
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23) Integrity of clue material is proved if
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24) J. S. Verma commission was appointed as a consequence of
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25) Which one of the following evidence is subjective in nature?
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26) When shutting down a PC, what data is typically lost?
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27) Which of the following is an optical digital data storage device?
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28) Close up photography is required in case of:
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29) Who invented the polarising light microscope?
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30) Which may NOT be essential for the collection of clue material?
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31) Next number in the series 4,6,9,13,......is
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32) The colour of the Indian Diplomatic Passport is:-
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33) Which of the following statements about physical evidence available at scene of crime is NOT the appropriate one?
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34) The first G.E.Q.D. Office in India was started at which place?
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35) Relative age of a signature can be ascertained by:-
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36) Which of the following technique is used to prevent altering of data on suspected drives?
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37) Which of the following statements is TRUE about Ramsden's eye-piece?
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38) If the sum of two number is 32 and their difference is 16, the smaller number would be
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39) The component NOT related to compound microscope is:
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40) A polarising microscope is used to identify birefringent minerals. The birefringent light beams are polarised to each other at which of the following angles?
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41) In which city of India, the first Central Forensic Science laboratory of MHA, Government of India was established?
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42) Under which act/law, expert opinion is admissible?
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43) Which of the following illumination is the best for striated tool marks?
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44) Forensic Anthropology is concerned with which of the following functions?
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45) Which of the following will NOT protect you from spam?
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46) The last step to be taken before releasing the crime scene should be:
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47) In which year the first Laboratory of Govt. Examiner of Questioned Documents was set up in India:-
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48) Which one of the following principles of forensic science was established by Mr. Edmund Locard?
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49) Document Expert notified as Chemical Examiner can also give evidence under:-
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50) In relation to electromagnetic spectrum, which of the following statements is TRUE?
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FACT - PYQ BALLISTICS
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Category: PYQ fact ballistics
1) Gun cotton is obtained by?
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2) Which of these firearms are NOT manufactured as per standard drawing and specifications?
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3) The law of burning of propellant grain by parallel layers was enunciated by?
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4) Which of the following is semi-smokeless powder?
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5) The tapered portion of barrel connecting 'chamber' and 'bore' in a rifled firearm (small arm) is called:
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6) The linkage of fired cartridge cases /bullets with suspected rifled firearms is carried out with the help of which of the following?
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7) The terms 'grooves' and 'lands' are associated with which of the following?
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8) With few exceptions, the designation of rifled firearms with cross-sectional diameter less than 0.600 inch, is generally given by which of the options?
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9) The conventional black powder consists of potassium nitrate, charcoal and sulphur in which of the following proportions?
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10) In Harrison and Gilroy's test, which of the following are tested?
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11) Which of the following is TRUE about striae present in the interior surface of barrel of a firearm?
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12) Blackening area on cloth behind glass (32 revolver) from 1 yard distance is due to:
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13) Acidified aqueous solution of which of the following is generally used to restore erased punched Identification marks on firearms?
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14) The most important tool available for the firearms examiner in linking of fired bullets and fired cartridge cases with the suspected firearm is:
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15) Lead in firearm discharge residue is best identified by?
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16) Firing pin marks on a fired cartridge case are surrounded by?
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17) Firearm is defined in:
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18) The phenomena of sheared primer causes which of the following marks?
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19) Generally, a groove is provided around the cylindrical portion of an elongated bullet fired from small arms. Which of the following is its purpose?
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20) Depth of grooves in small arms generally lies between?
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21) While conducting test firings... some should be conducted after oiling cartridges. This helps obtain clearer impressions of the:
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22) A term commonly applied to a crude home made firearm whose firing pin is powered by a rubber band, is:
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23) From a scene of crime, a fired cartridge case was recovered. For determination of type, make, model, which of the following are most appropriate?
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24) A fired case with two firing-pin impressions was recovered. To resolve which of two pistols fired it, which statement is most appropriate?
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25) Which of these are individual characteristic marks on fired bullets?
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26) The angle of departure of a bullet fired from a small arm for its maximum range in air is:
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27) Firing of a pistol or revolver in contact with temple generally results in:
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28) Rotation of cylinder of revolver is achieved when a projection on hammer lever moves in a?
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29) What is the purpose of air-cushion wad loaded in a 12 bore cartridge?
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30) The portion of smooth-bore barrel where a constriction is provided near the muzzle end making bore diameter smaller than that of rest of the bore is called:
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31) Estimation of time elapsed since firing has been attempted by?
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32) Dermal nitrate test is reaction of nitrate residue collected from the hands of a shooter in presence of diphenylamine and sulphuric acid. In this test, which of the following colours appears?
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33) Walker's test is used to test:
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34) Which of the following is the major factor affecting the rate of burning of propellants:
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35) Maximum height H, of trajectory for range 'X' is given by which of the following relations?
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36) A 0.45 caliber self-loading pistol with 5-inch barrel fires a bullet with velocity of 810 feet per second. If the velocity is constant, how much time will it take to travel 1-inch?
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37) The function of a primer is:
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38) On which of the following bullets, the effect of air-resistance is least?
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39) Which of the following gives the variation in bullet velocity with bullet travel along the bore?
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40) The velocity with which a bullet travels inside a target is called:
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41) Increasing the velocity of a bullet makes it unstable while it is moving in air. What should be done to make it stable?
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42) Which of the following are helpful to estimate range of firing?
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43) Which is an ingredient of priming mixture loaded in small arms ammunition?
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44) The effect of reduction in barrel length on dispersion of pellets is to:
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45) For calculation of trajectory... ballistic coefficient (C) of the bullet is given by which relations?
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46) Let the head-space for rimmed be 'A' and rimless be 'B'. Which of the following is TRUE?
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47) Which of the following is the major factor affecting the trajectory of a projectile in air?
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48) The skipping of a bullet from a surface after it had struck the surface is called:
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49) Which of the following defines 'hangfire'?
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50) In wound ballistic studies, the retardation of bullet with angle of yaw 'a' follows:
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51) Individual characteristics on various parts of firearms leaving marks on fired cartridge cases / bullets are produced as a result of:
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52) With handguns, the tattooing is generally found upto which of the following distances?
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53) Firing of regular 12-bore cartridge from regular 12-4 bore gun produces entrance hole of max diameter:
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54) Rate of spin (S), muzzle velocity (U), and pitch (d) are connected by:
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55) When firing pin strikes percussion cap of a cartridge, its distinct impression depends upon which of the following?
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56) In a crime committed by a 0.315-rifle, it was found that its firing pin has been filed and the barrel has been cut by about 1 inch from muzzle. Which is the most appropriate linkage of case and bullet?
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57) The part of air-resistance acting on a projectile because of creation of a region of low pressure behind it is called:
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58) When a firearm is fired, its recoil is due to which one of the following reaction?
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59) The angle between the direction of motion of a bullet and its axis is called:
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60) The markings which are NOT to be found on a cartridge case fired from a revolver are:
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61) During firing of which of the following ammunitions, the breech-end of barrel or counter bore of barrel acts as anvil?
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62) While doing comparison of marks... the minimum number of marks that should match is:
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63) A high velocity cartridge has been designated as 7.62x51 mm. Which statement is correct?
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64) Brass has been found to be a good material for manufacture of cartridge cases for rifles, pistols and revolver cartridges. Which of the following is the reason?
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65) Which of the following firearms has anticlockwise rifling?
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66) With long-barrel firearms, burning effect in gun-shot wounds is generally observed upto:
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67) For a firearm firing belted cartridge, which of the following is defined as head space after the bolt has been locked to barrel?
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68) Which of the following is a class-characteristic of a fired bullet?
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69) Photomicrographs are NOT required to be produced in the court of law in India by a Ballistic expert as per which case judgement?
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70) Which of the following processes is associated with rifling of barrels of small arms?
FACT Forensic Ballistics & Physical Sciences Unit 1
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Category: FACT FBall U1
1) Classification of firearms is based on:
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2) Recoil depends on:
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3) Energy density threshold is important for:
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4) Range estimation depends on:
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5) Bullet acceleration depends on:
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6) Individual characteristics are:
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7) High pressure results in:
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8) In ricochet, the bullet after impact is generally:
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9) Fully automatic firearm fires:
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10) Smokeless powder is primarily composed of:
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11) Neutral burning indicates:
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12) Shotgun pattern spread increases with:
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13) Degressive burning produces:
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14) Physical examination includes:
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15) Modern firearms generally use:
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16) Class characteristics of rifling include:
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17) Volume of temporary cavity is:
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18) Rifled firearm includes:
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19) Entrance wound is generally:
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20) Terminal ballistics deals with:
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21) Loose fitting bullet results in:
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22) Bullet instability increases:
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23) Ballistic evidence helps in:
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24) Stability of bullet affects:
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25) Distant firing shows:
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26) Contact wound shows:
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27) Close range firing shows:
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28) Ricochet mark shows:
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29) Bullet velocity decreases in body due to:
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30) Uniform burning leads to:
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31) Rifling is produced by:
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32) Intermediate target causes:
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33) Blunt bullets cause:
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34) Shotgun ammunition contains:
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35) Gas expansion causes:
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36) Angle of impact affects:
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37) Twist of rifling may be:
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38) Smokeless powder is:
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39) Cordite is an example of:
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40) Rifling consists of:
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41) Purpose of rifling is to:
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42) Terminal ballistics is important in:
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43) Permanent cavity is:
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44) Full metal jacket bullets cause:
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45) Pointed (spitzer) bullets cause:
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46) Improper propellant may lead to:
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47) Shock waves are produced by:
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48) Tight fitting bullet results in:
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49) Final aim of internal ballistics study is:
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50) High energy projectile produces:
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51) Progressive burning produces:
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52) A smooth bore firearm is:
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53) Materials simulating human body include:
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54) Improper headspace leads to:
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55) Permanent cavity represents:
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56) Maximum velocity occurs when:
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57) Temporary cavity diameter depends on:
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58) Higher striking velocity results in:
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59) Internal ballistics deals with:
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60) Gunshot residue indicates:
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61) Black powder consists of:
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62) Cartridge consists of:
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63) Final aim of terminal ballistics is:
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64) Headspace refers to:
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65) Internal ballistic data helps in:
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66) Higher temperature causes:
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67) Chamber pressure depends upon:
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68) Motion in dense medium differs from air due to:
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69) Energy density is defined as:
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70) Revolver is characterized by:
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71) Primer composition generally contains:
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72) Gunshot wound identification depends on:
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73) Headstamp marking indicates:
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74) Wound track represents:
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75) Rate of burning of propellant depends upon:
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76) Wad in shotgun is used for:
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77) Cartridge case examination includes:
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78) Ignition of propellant is caused by:
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79) Recoil is:
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80) Bullet deformation results in:
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81) Tubular propellant grains generally show:
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82) Propellant efficiency depends on:
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83) Bolt action is used in:
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84) The main function of propellant is to:
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85) Bore refers to:
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86) Propellant combustion results in formation of:
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87) Improvised ammunition is:
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88) Maximum pressure occurs:
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89) Propellant grains are designed to control:
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90) Bullet comparison involves:
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91) Bullet fragmentation results in:
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92) Penetration of projectile depends on:
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93) Muzzle velocity is:
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94) Internal ballistics ends when:
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95) Lock mechanism controls:
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96) Shape of bullet nose affects:
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97) Firearm is defined as:
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98) Propellant is used to:
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99) Hollow-point bullets cause:
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100) Barrel friction reduces:
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101) Double-base propellant contains:
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102) Calibre refers to:
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103) Progressive burning is characterized by:
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104) Exit wound is usually:
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105) Ball ammunition refers to:
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106) Energy of propellant converts into:
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107) Ballistic gelatin simulates:
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108) Ballistic test is used to:
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109) Action mechanism refers to:
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110) Increase in barrel length results in:
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111) Functional test checks:
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112) Temporary cavity is formed due to:
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113) Terminal ballistics helps in:
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114) Ricochet occurs when:
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115) Bullet starts moving when:
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116) Small arms include:
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117) Sudden pressure rise may cause:
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118) Ricocheted bullet is generally:
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119) Final goal of ballistic analysis is:
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120) Primer contains:
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121) Bullet tumbling results in:
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122) Safety lock is used for:
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123) Country-made firearms are:
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124) Rifling produces:
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125) Energy transfer to tissue causes:
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126) Recoil is explained by:
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127) Controlled burning ensures:
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128) Increase in bullet mass results in:
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129) Threshold energy is:
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130) Carbine is:
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131) Spherical (ball) powder shows:
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132) Friction inside barrel causes:
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133) Test firing is done for:
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134) Threshold velocity for skin penetration is defined as:
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135) Angle of ricochet is generally:
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136) Striking velocity refers to:
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137) Internal ballistics is affected by:
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138) Bullet path may be altered by:
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139) Types of bullets include:
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140) Tumbling of bullet is caused by:
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141) Ball powder is a type of:
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142) Single-base propellant contains:
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143) Choke in shotgun is used to:
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144) Semi-automatic firearm uses:
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145) Internal ballistics is important in:
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146) Polygonal rifling is:
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147) Pistol differs from revolver by having:
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148) Degressive burning is characterized by:
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149) Distance of firing is determined by:
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150) Improvised firearm is:
FACT Forensic Ballistics & Physical Sciences Unit 2
Category: FACT FBall U2
1) Inconclusive result is given when:
2) Shot dispersion pattern helps in:
3) Firearm identification helps in:
4) Bullet wipe is associated with:
5) In rifled firearms, range determination is based on:
6) Shot spread increases with:
7) Range determination in rifled firearms is mainly based on:
8) Energy loss in air is due to:
9) Modified Griess test produces:
10) Which of the following tests detects nitrites pattern on cloth?
11) Higher BC results in:
12) Doppler radar measures:
13) Lead is used in bullets due to:
14) Cross-wind force causes:
15) Shotgun linkage is difficult because:
16) Comparison microscope uses:
17) Environmental factors affecting GSR include:
18) Comparison microscope is essential because:
19) Stability of bullet depends on:
20) Firing pin impression is produced when:
21) Which of the following is TRUE about striations?
22) Which of the following statements is correct?
23) Walker’s test is used for detection of:
24) Armour reduces penetration by:
25) Ballistic tables are used for:
26) Which of the following affects range determination?
27) IR photography is useful for:
28) Absence of residue indicates:
29) GSR pattern decreases with:
30) Individual characteristics on bullets arise mainly due to:
31) Modified Griess test is used for:
32) Which of the following is TRUE regarding shotgun identification?
33) Maximum range in vacuum is obtained at angle:
34) Which of the following is TRUE regarding comparison microscope?
35) In firearm identification, quick elimination of suspected bullets is primarily based on:
36) In Walker’s test, heating is applied using:
37) Griess test is used for detection of:
38) Bullet resistant glass works on principle of:
39) Matching of individual characteristics indicates:
40) In country-made firearms, identification is easier because:
41) Gyroscopic stability is provided by:
42) Which of the following is TRUE regarding photomicrographs in court?
43) Magnus effect is due to:
44) Identification of firearm depends mainly on:
45) Shotgun projectiles follow:
46) In close range firing, the wound shows:
47) In semi-automatic firearms, ejector marks are formed due to:
48) Which of the following is TRUE?
49) Balling is generally caused by:
50) Subclass characteristics arise due to:
51) Range of firing determination depends on:
52) In distant firing, which of the following is observed?
53) Matching process is based on:
54) Which of the following marks are most stable over time?
55) Ballistic coefficient is given by:
56) IR photography is useful when:
57) Mach angle is given by:
58) Stringing of shots refers to:
59) Supersonic bullet produces:
60) In vacuum, trajectory of projectile is:
61) Boat-tailed bullets are used to:
62) Breech face marks are formed due to:
63) Which of the following is NOT useful in firearm identification?
64) In distant firing, shotgun pattern is:
65) Air resistance depends on:
66) Air resistance causes:
67) Projectile velocity is measured using:
68) Precession is:
69) Sodium rhodizonate test produces:
70) Form factor depends on:
71) Shotgun pellets generally show:
72) Which of the following marks are formed during extraction?
73) Distant firing in rifled firearm shows:
74) In contact firing, which is observed?
75) In air, trajectory becomes:
76) Air trajectory differs from vacuum due to:
77) Which of the following is TRUE?
78) In smooth bore firearms, range determination is based on:
79) Walker’s test uses:
80) Which of the following may mislead identification?
81) Lead residues originate from:
82) In firearm identification, reproducibility of marks indicates:
83) Bullet resistant armour works by:
84) Maximum height depends on:
85) Which of the following is strongest conclusion?
86) Which of the following is TRUE regarding source correspondence?
87) Time of flight depends on:
88) In smooth bore firearms, shot spread increases with:
89) Bullet drift is affected by:
90) Range of projectile depends on:
91) Effect of stringing results in:
92) Wad marks are useful for:
93) External ballistics helps in:
94) Ingalls tables are used for:
95) Bullet comparison involves:
96) Final aim of firearm identification is:
97) In balling, pellets behave as:
98) In Walker’s test, nitrites are converted into:
99) Base drag is caused due to:
100) Stability increases with:
101) If class characteristics do not match, the conclusion is:
102) Cartridge case linkage is easier because:
103) Which of the following is TRUE about class characteristics?
104) Cart-wheel pattern is characterized by:
105) Stability factor indicates:
106) The path followed by a projectile is called:
107) Cross wind causes:
108) In close range shotgun firing, pattern is:
109) The database used for ballistic comparison is:
110) Automated trajectory systems use:
111) Stringing of shot pattern occurs due to:
112) Close range firing in rifled firearm shows:
113) Which of the following affects individual characteristics?
114) Terminal velocity depends on:
115) Velocity of projectile decreases due to:
116) The expert opinion “could have been fired” indicates:
117) Falling bullet reaches:
118) Chronograph works on:
119) Drop of bullet is due to:
120) Range determination is important for:
121) Firearm identification is based on:
122) External ballistics deals with:
123) An evidence fired bullet is recovered showing 6 lands and grooves with right-hand twist. Which of the following is correct?
124) Shot pattern analysis helps in:
125) Determination of range of firing is based on:
126) Presence of wad in wound indicates:
127) Final aim of range determination is:
128) Blackening is due to:
129) In photomicrography, the purpose is to:
130) Tattooing around wound is caused by:
131) Kevlar is used in armour due to:
132) The absence of rifling in shotguns makes identification:
133) Drift of bullet is due to:
134) Absence of matching marks leads to:
135) Cartridge case examination includes:
136) Photomicrography helps in:
137) Sodium rhodizonate test detects:
138) Ballistic coefficient (BC) depends on:
139) Which of the following marks are most reliable for firearm identification?
140) Yaw of bullet refers to:
141) Test firing is performed to obtain:
142) Nitrite residues originate from:
143) Nutation refers to:
144) If individual characteristics match perfectly, conclusion is:
145) Shotgun pellets lose velocity due to:
146) Final goal of external ballistics is:
147) Bullet resistant glass is made of:
148) Overturning moment affects:
149) Velocity of shot charge is:
150) Balling occurs when:
FACT Forensic Ballistics & Physical Sciences Unit 3
Category: FACT FBall U3
1) Determination of manner of death depends on:
2) Contact wound is commonly associated with:
3) Laboratory report includes:
4) Bullet deformation indicates:
5) Shooter identification is based on:
6) Bullet hole in glass shows:
7) SEM-EDX identifies GSR based on:
8) GSR analysis is important for:
9) ASV is highly sensitive for:
10) ASV detection limit is:
11) Pellet pattern helps in:
12) Bullet track represents:
13) Chemical tests are mainly:
14) Lead residue around hole indicates:
15) Reconstruction requires:
16) EDXRF requires:
17) SEM uses:
18) The most reliable method for GSR detection is:
19) Bullet hole in metal shows:
20) Bullet path reconstruction is based on:
21) SEM-EDX identifies GSR by:
22) Maximum GSR is found on:
23) Characteristic GSR particles contain:
24) Presence of soot indicates:
25) Documentation of bullet holes includes:
26) GSR can be removed by:
27) Ricochet reduces:
28) NAA is:
29) Bullet hole in cloth shows:
30) Dermal nitrate test is also known as:
31) Detection of bullet hole in dark cloth is done by:
32) Entry hole in glass is:
33) EDXRF is used for:
34) SEM provides information about:
35) Secondary transfer of GSR means:
36) ICP-MS has:
37) In suicide cases, firearm is usually found:
38) Presence of dense GSR indicates:
39) IR photography helps in:
40) GSR particles are mainly:
41) Absence of GSR indicates:
42) Instrumental analysis helps in:
43) Which technique is best for trace metal detection in GSR?
44) ICP-MS is preferred over AAS because:
45) EDXRF is based on:
46) IR photography is used when:
47) Paraffin test is:
48) Atomic Absorption Spectroscopy (AAS) is based on:
49) NAA is highly useful for:
50) SEM-EDX is widely used for:
51) GSR analysis requires:
52) Shooting reconstruction helps in:
53) Nitrites in GSR originate from:
54) Pellet dispersion depends on:
55) Laboratory examination confirms:
56) AAS requires:
57) Shooting reconstruction involves:
58) Neutron Activation Analysis (NAA) is based on:
59) Non-characteristic GSR particles include:
60) EDX detects elements based on:
61) Dermal nitrate test detects:
62) AAS is limited because:
63) EDXRF is:
64) IR photography works on:
65) Which technique is most suitable for GSR detection?
66) SEM requires vacuum because:
67) Bullet hole identification is based on:
68) Mass spectrometer separates ions based on:
69) In accidental firing, intent is:
70) Pellet pattern analysis helps in:
71) In suicide, firearm is generally:
72) Absence of GSR may indicate:
73) Presence of wad in target indicates:
74) In homicide, wound location is usually:
75) Self-defence cases involve:
76) GSR is deposited on:
77) Positive sodium rhodizonate test gives:
78) Final aim of instrumental techniques is:
79) IR photography is useful in ballistics for:
80) IR photography is useful for:
81) NAA requires:
82) ICP-MS is used for:
83) GSR particles are spherical due to:
84) Modified Griess test is used for:
85) Exit hole shows:
86) Direction of fire is determined by:
87) GSR analysis helps in:
88) In homicide, GSR is usually found on:
89) In accidental shooting, pattern is:
90) NAA is highly specific because:
91) In suicide cases, GSR is found on:
92) GSR collection is done using:
93) AAS is mainly used for:
94) Medico-legal opinion is based on:
95) GSR pattern around hole helps in:
96) In shooter identification, most reliable evidence is:
97) Griess test detects:
98) Ballistic report helps in:
99) Autopsy findings help in:
100) Bullet hole characteristics depend on:
101) SEM-EDX provides:
102) Anodic Stripping Voltammetry (ASV) is used for:
103) Bullet hole in wood shows:
104) Gunshot residue (GSR) mainly consists of:
105) Close range shotgun pattern is:
106) AAS measures:
107) Multiple gunshot wounds are more indicative of:
108) Ricochet marks are characterized by:
109) Distant range shotgun pattern is:
110) SEM is useful for:
111) Entrance hole shows:
112) Sodium rhodizonate test is specific for:
113) Exit hole in glass is:
114) Presence of hesitation marks indicates:
115) False positive GSR may arise from:
116) GSR persistence depends on:
117) Characteristic GSR particles detected by SEM-EDX contain:
118) Angle of impact affects:
119) EDXRF is advantageous because:
120) GSR distribution pattern helps in:
121) Primer residues commonly contain:
122) Griess test produces:
123) ICP-MS is used in ballistics for:
124) Chemical tests for bullet holes include:
125) Ricochet marks indicate:
126) In encounter cases, evidence should show:
127) Griess test works on principle of:
128) SEM-EDX is used for:
129) Paraffin test gives false positive due to:
130) Lead residues mainly originate from:
131) Medico-legal report includes:
132) Final aim of reconstruction is:
133) Ricochet marks help in:
134) Final aim of GSR analysis is:
135) Distribution of GSR decreases with:
136) ASV works on principle of:
137) In AAS, hollow cathode lamp acts as:
138) ICP-MS detects ions based on:
139) Sodium rhodizonate test is used for detection of:
140) ICP-MS sensitivity is in range of:
141) EDX provides:
142) Time delay reduces:
143) ICP stands for:
144) Self-inflicted wounds are usually:
145) Which of the following is TRUE?
146) Bullet hole in glass shows:
147) Ricochet bullets are generally:
148) NAA is used for:
149) Encounter cases require:
150) SEM resolution is higher than:
FACT Forensic Ballistics & Physical Sciences Unit 4
Category: FACT FBall U4
1) Manufacture of arms without licence is:
2) Licence for arms is granted by:
3) Use of firearm in self-defence is:
4) The Arms Act in India was enacted in:
5) Possession of prohibited arms without licence is:
6) Which authority maintains arms records?
7) Carrying loaded firearm in public is:
8) Ammunition possession limit is:
9) Use of firearm in crime leads to:
10) Licence holder must report loss of firearm to:
11) Suspension of licence can occur due to:
12) Transport of arms requires:
13) Arms licence is issued considering:
14) Arms Rules 2016 introduced:
15) Renewal of licence is required after:
16) Which of the following is TRUE?
17) Illegal arms possession is considered:
18) Which of the following requires a licence?
19) Arms Act is enforced by:
20) Maximum number of firearms allowed for a person (as per latest rules):
21) Arms Rules 2016 emphasize:
22) Arms licence can be cancelled if:
23) Storage of firearms must ensure:
24) Import/export of arms is regulated by:
25) Prohibited arms licence is granted by:
26) Record keeping of arms includes:
27) Carrying firearm in prohibited area is:
28) Carrying firearm in public requires:
29) Arms Act aims to:
30) Arms licence can be revoked in interest of:
31) Weapon misuse leads to:
32) Final aim of Arms Act is:
33) Penalty for illegal possession of arms includes:
34) Prohibited ammunition includes:
35) Which of the following is an offence?
36) Arms Rules 2016 focus on:
37) Manufacture of ammunition requires:
38) Transfer of arms licence is:
39) Ammunition without firearm licence is:
40) Renewal of licence requires:
41) Prohibited arms include:
42) Dealer of arms must have:
43) Arms licence validity is generally:
44) “Arms” under the Act includes:
45) Use of firearm in public place without justification is:
46) Sale of arms requires:
47) Which of the following is TRUE?
48) Arms Act violations are tried under:
49) Arms Rules, 2016 were framed under:
50) Use of firearm under intoxication is:
FACT Forensic Ballistics & Physical Sciences Unit 5
Category: FACT FPhy U1
1) Electron microscope uses:
2) Control soil sample is collected from:
3) Flash is used for:
4) Which documentation method provides dynamic recording?
5) Microscopic fibres are best collected by:
6) Evidence forwarding must include:
7) Chemical etching is used for:
8) NMR studies:
9) Ear print identification is based on:
10) Altered photograph becomes:
11) Which of the following best describes “modus operandi”?
12) Beer-Lambert law relates:
13) Audio in videography is:
14) Casting material commonly used is:
15) Fluorescence microscopy detects:
16) Tangible items related to crime are:
17) Image sensor converts:
18) Photographs represent:
19) Absorption occurs when:
20) JPEG format is:
21) EDX is attached to:
22) Footwear impressions on soft soil are preserved by:
23) Photography is defined as:
24) Which of the following is NOT a part of crime scene documentation?
25) Laboratory photography is used for:
26) Quantum numbers describe:
27) Digital evidence must be:
28) DSLR stands for:
29) Midrange photographs show:
30) Neutron activation analysis is used for:
31) IR photography is useful in document examination for:
32) Radiochemical techniques involve:
33) Individual characteristics in tool marks are:
34) Probative value refers to:
35) Video recording should be:
36) Phosphorescence differs by:
37) Tyre impressions in soft soil are called:
38) Comparison microscope is used for:
39) Aerial videography is useful for:
40) Photoelectric detectors convert:
41) ICP-AES is used for:
42) Selection rules determine:
43) Gait pattern analysis helps in:
44) Video evidence must follow:
45) 3R rule is associated with:
46) Phosphorescence is:
47) Spin property is related to:
48) Image editing in forensic photography should be:
49) Auger spectroscopy is used for:
50) Close-up photographs must include:
51) Crime scene videography provides:
52) TEM is used for:
53) Cheiloscopy is study of:
54) RAW image format is:
55) Locard’s principle states:
56) ISO setting in a camera refers to:
57) Metadata in digital image includes:
58) Raman spectroscopy is based on:
59) Paint consists of:
60) Interference in AAS affects:
61) Bite marks are useful for:
62) Tool marks are formed due to:
63) Integrity of chain of custody ensures:
64) Camera movement in videography should be:
65) Shutter speed controls:
66) Which is NOT physical evidence?
67) Chain of custody ensures:
68) The first photograph taken at crime scene should be:
69) Spiral search is best used in:
70) Improper collection leads to:
71) Evidence packaging must ensure:
72) Final goal of forensic photography is:
73) UV-visible spectroscopy involves:
74) UV-visible is used for:
75) Calibration of instrument ensures:
76) Magnification of compound microscope is:
77) Fibre evidence is generally:
78) EDX detects:
79) The first responding officer should:
80) Grid search is most suitable for:
81) Infrared spectroscopy is used in paint analysis for:
82) NMR is used for:
83) The primary purpose of crime scene photography is:
84) Correct sequence of crime scene photography is:
85) Fingerprint photography requires:
86) WDX is based on:
87) Forensic photography must be:
88) The immediate area where crime occurred is called:
89) Tripod is used to:
90) Glass fragments are considered:
91) Court accepts photographs as:
92) Which format retains maximum image data?
93) Proper documentation helps in:
94) Crime Scene Investigation does NOT include:
95) Spectroscopy studies:
96) High-speed videography is used for:
97) AES involves:
98) Infrared photography is useful for:
99) Solvent affects:
100) Direction of impact is determined by:
101) Crime scene search method depends on:
102) SEM provides:
103) Concentric cracks form:
104) Corroborative evidence:
105) Refractive index of glass is measured using:
106) Tyre skid marks help in:
107) Forensic videography is mainly used for:
108) Pattern evidence includes:
109) Radial cracks form:
110) AAS is used for:
111) Microscopy is useful for:
112) Digital cameras use:
113) Polarized light microscope is used for:
114) NMR is based on:
115) Videography records:
116) Crime scene sketch is mainly used to:
117) Individual characteristics indicate:
118) Serial number restoration is based on:
119) Telephoto lens is mainly used for:
120) Reconstruction of crime scene helps to:
121) Chain of custody documentation must include:
122) Close-up photographs are taken to show:
123) Emission occurs when:
124) Resolution of electron microscope is higher because of:
125) Soil comparison includes:
126) The function of aperture in a camera is to control:
127) Best method for fibre analysis is:
128) FTIR uses:
129) Fluorescence is:
130) Overall photographs show:
131) Reprovit unit is used for:
132) IR spectroscopy identifies:
133) UV photography helps in detecting:
134) The basic principle of camera operation is:
135) Resolution depends on:
136) Photographic detectors detect:
137) Authentication ensures:
138) Absorbance is proportional to:
139) Trace evidence includes:
140) UV photography is mainly used for:
141) XRD is used for:
142) Class characteristics indicate:
143) Atomic spectra arise due to:
144) Stereo zoom microscope provides:
145) Detection limit refers to:
146) Photographs are admissible when:
147) Fluorescence spectroscopy is based on:
148) Chemical shift indicates:
149) Which lens is suitable for capturing a large crime scene?
150) Raman is preferred over IR for:
FACT Forensic Ballistics & Physical Sciences Unit 6
1 / 155
Category: FACT FPhy U2
1) Nanotechnology deals with materials in the size range of:
2 / 155
2) Exhaustive events mean:
3 / 155
3) Nanoparticles can be:
4 / 155
4) Fullerene is a form of:
5 / 155
5) Addition theorem of probability applies when:
6 / 155
6) Histogram is used for:
7 / 155
7) UV photography helps in detecting:
8 / 155
8) Graphology is study of:
9 / 155
9) Morphology studies:
10 / 155
10) Chi-square test is used for:
11 / 155
11) Normal distribution is:
12 / 155
12) Nanoscience deals with:
13 / 155
13) Nanomaterials are useful in:
14 / 155
14) Stabilizing agents are used to:
15 / 155
15) Unit conversion must maintain:
16 / 155
16) Colloidal solution contains:
17 / 155
17) The symbol for integers is:
18 / 155
18) Hypothesis testing is used for:
19 / 155
19) Sound is defined as:
20 / 155
20) Stability of nanoparticles depends on:
21 / 155
21) Nanoparticles interact strongly due to:
22 / 155
22) Coefficient of regression shows:
23 / 155
23) Text-dependent speaker recognition uses:
24 / 155
24) Forensic videography is mainly used for:
25 / 155
25) Bottom-up approach involves:
26 / 155
26) Pearson’s test refers to:
27 / 155
27) Hair comparison uses:
28 / 155
28) Mean is defined as:
29 / 155
29) IR photography is useful in document examination for:
30 / 155
30) Shot-by-shot analysis means:
31 / 155
31) Binomial distribution is used for:
32 / 155
32) Nanotechnology reduces:
33 / 155
33) Intraspeaker variation refers to:
34 / 155
34) Median is:
35 / 155
35) Probability of guilt depends on:
36 / 155
36) Admissibility of audio evidence depends on:
37 / 155
37) Range is defined as:
38 / 155
38) Quantum effects are significant in:
39 / 155
39) Hash value is used for:
40 / 155
40) Closed test means:
41 / 155
41) Physical methods include:
42 / 155
42) Hash value in video ensures:
43 / 155
43) Feasibility refers to:
44 / 155
44) Nanoparticles are useful in:
45 / 155
45) Compatibility means:
46 / 155
46) Nanoparticles exhibit:
47 / 155
47) Standard deviation measures:
48 / 155
48) Nanoparticles enhance:
49 / 155
49) Weight of evidence indicates:
50 / 155
50) High surface area leads to:
51 / 155
51) Final goal of forensic photography is:
52 / 155
52) Chemical synthesis method includes:
53 / 155
53) Correlation measures:
54 / 155
54) F-test is used for:
55 / 155
55) Silver nanoparticles are useful in:
56 / 155
56) LPC stands for:
57 / 155
57) Large sample test is applied when:
58 / 155
58) Auditory analysis is based on:
59 / 155
59) Probability value lies between:
60 / 155
60) Phonetics deals with:
61 / 155
61) Biological synthesis uses:
62 / 155
62) Example of nanomaterial is:
63 / 155
63) Nanotechnology improves:
64 / 155
64) Audio recording devices include:
65 / 155
65) Correlation coefficient lies between:
66 / 155
66) Pragmatics deals with:
67 / 155
67) Mode is:
68 / 155
68) Nanoparticle size can be controlled by:
69 / 155
69) Probability means:
70 / 155
70) Extraction from DVR/NVR requires:
71 / 155
71) Nanotechnology helps in detecting:
72 / 155
72) Nanotechnology involves:
73 / 155
73) Video consists of:
74 / 155
74) Coefficient of variation is:
75 / 155
75) Interspeaker variation refers to:
76 / 155
76) Chain of custody ensures:
77 / 155
77) Sum of deviations from mean is:
78 / 155
78) Hypergeometric distribution is used for:
79 / 155
79) Carbon nanotubes are:
80 / 155
80) Carbon nanotubes are used for:
81 / 155
81) Spectrographic analysis is also called:
82 / 155
82) t-test is used for:
83 / 155
83) SI unit of length is:
84 / 155
84) Text-independent recognition uses:
85 / 155
85) Test statistic is used to:
86 / 155
86) Admissibility of CCTV evidence depends on:
87 / 155
87) Nanoparticles are useful in:
88 / 155
88) Bayes theorem is used for:
89 / 155
89) Rational numbers are:
90 / 155
90) Regression is used for:
91 / 155
91) Metadata in video includes:
92 / 155
92) Facial biometrics is used for:
93 / 155
93) Nanotechnology provides:
94 / 155
94) Syntax refers to:
95 / 155
95) Fundamental frequency of voice depends on:
96 / 155
96) Frame extraction means:
97 / 155
97) Sensitivity means:
98 / 155
98) Normalization adjusts:
99 / 155
99) Surface area of nanoparticles is:
100 / 155
100) Likelihood ratio is used to:
101 / 155
101) Frequency distribution shows:
102 / 155
102) Limitation of nanotechnology includes:
103 / 155
103) Proper documentation helps in:
104 / 155
104) Random error is:
105 / 155
105) Agglomeration means:
106 / 155
106) Interlacing in video means:
107 / 155
107) Variance is:
108 / 155
108) Gold nanoparticles are used for:
109 / 155
109) Uncertainty in measurement indicates:
110 / 155
110) Nano-sensors detect:
111 / 155
111) Time domain represents:
112 / 155
112) Top-down approach involves:
113 / 155
113) Size reduction leads to:
114 / 155
114) Length of vocal cords in males is:
115 / 155
115) Velocity of sound is maximum in:
116 / 155
116) Measurement close to true value is:
117 / 155
117) Nano-analysis is preferred because:
118 / 155
118) Authenticity of audio ensures:
119 / 155
119) Analogue to digital conversion involves:
120 / 155
120) Voice sample segregation means:
121 / 155
121) Automatic speaker recognition uses:
122 / 155
122) Nanotechnology in fingerprints improves:
123 / 155
123) Conversion from analogue to digital involves:
124 / 155
124) Null hypothesis is:
125 / 155
125) One nanometer (nm) is equal to:
126 / 155
126) Human voice is produced by vibration of:
127 / 155
127) SI unit of temperature is:
128 / 155
128) Biosensors use:
129 / 155
129) Level of significance is:
130 / 155
130) FFT stands for:
131 / 155
131) Fingerprint individuality is based on:
132 / 155
132) Forensic significance of voice includes:
133 / 155
133) Systematic error is:
134 / 155
134) Selectivity of nanoparticles refers to:
135 / 155
135) Nanotechnology is applied in:
136 / 155
136) Semantics deals with:
137 / 155
137) DVR stands for:
138 / 155
138) Audio evidence must be:
139 / 155
139) Open test involves:
140 / 155
140) Positive correlation means:
141 / 155
141) CCTV evidence must be:
142 / 155
142) Frequency domain represents:
143 / 155
143) PAL video standard has:
144 / 155
144) Nanotechnology is used in forensics for:
145 / 155
145) Forensic nanotechnology helps in:
146 / 155
146) Mutually exclusive events are:
147 / 155
147) Nanoparticles are used due to:
148 / 155
148) Enhancement of audio aims to:
149 / 155
149) Quantum dots are used for:
150 / 155
150) Video enhancement improves:
151 / 155
151) Future of forensic nanotechnology lies in:
152 / 155
152) Conditional probability depends on:
153 / 155
153) Number plate enhancement helps in:
154 / 155
154) Paired test compares:
155 / 155
155) Speech signal processing includes:
FACT Forensic Ballistics & Physical Sciences Unit 7
Category: FACT Fphy U3
1) Paint transfer indicates:
2) Braking distance increases with:
3) Control sample is used for:
4) Road surface condition affects:
5) Vehicle damage helps in:
6) Road defects include:
7) Airbags function by:
8) Flip refers to:
9) Hit-and-run investigation involves:
10) Under-inflated tyres cause:
11) CAD is used in reconstruction for:
12) Door lock analysis helps in:
13) Disc brakes provide:
14) Final aim of accident reconstruction is:
15) Speed increases braking distance:
16) Collision marks help in:
17) Vehicle kinematics studies:
18) Speed is proportional to:
19) Cement is mainly composed of:
20) Road evidence includes:
21) Cement hydration produces:
22) Skid marks length helps in:
23) Tyres are classified based on:
24) Seat belts are used for:
25) Cement mortar consists of:
26) Grit is used in roads for:
27) Debris at scene indicates:
28) Adulterants in cement reduce:
29) Drag factor depends on:
30) Physical analysis includes:
31) Vault refers to:
32) Coefficient of friction is:
33) Reconstruction helps in:
34) Sampling of cement must ensure:
35) Wet road surface causes:
36) Adulteration in cement is detected by:
37) Brake system is used to:
38) Vehicular fire may be caused by:
39) Bitumen is used for:
40) Drag factor is measured using:
41) Road design affects:
42) Tyre marks help in:
43) Speed recording devices include:
44) Building material analysis includes:
45) Motorcycle stability depends on:
46) Yaw marks indicate:
47) Slide-to-stop distance is used for:
48) Skid marks are produced due to:
49) Steel bars are tested for:
50) Concrete consists of:
FACT Forensic Ballistics & Physical Sciences Mock 1
1 / 120
Category: FACT FBall Mock 1
1) Misfire means:
2 / 120
2) Time to travel 1 inch at constant velocity depends on:
3 / 120
3) Choke reduces:
4 / 120
4) Bullet path reconstruction uses:
5 / 120
5) Angle between axis and motion is:
6 / 120
6) Dermal nitrate test gives:
7 / 120
7) Ballistics is study of:
8 / 120
8) Individual characteristics include:
9 / 120
9) Primer ignition is due to:
10 / 120
10) Lands and grooves are present in:
11 / 120
11) Projectile path is:
12 / 120
12) Drift is caused by:
13 / 120
13) Investigator must be:
14 / 120
14) Restoring erased marks uses:
15 / 120
15) Scientific method includes:
16 / 120
16) Retardation with yaw follows:
17 / 120
17) Hangfire means:
18 / 120
18) Piobert law relates to:
19 / 120
19) Low velocity bullets produce:
20 / 120
20) The impression made by firing pin depends mainly on:
21 / 120
21) Cartridge identification depends on:
22 / 120
22) Low-pressure drag behind bullet is:
23 / 120
23) Rimfire cartridge uses:
24 / 120
24) Terminal velocity is:
25 / 120
25) Air cushion wad in shotgun cartridge is used to:
26 / 120
26) Maximum height of trajectory depends on:
27 / 120
27) Bullet comparison uses:
28 / 120
28) Breech face marks are:
29 / 120
29) Ballistic coefficient relation:
30 / 120
30) Revolver cartridge cases lack:
31 / 120
31) Groove on bullet helps in:
32 / 120
32) Range of firing is determined by:
33 / 120
33) Firearms are defined under:
34 / 120
34) Yaw increases:
35 / 120
35) Magnus effect affects:
36 / 120
36) Base drag occurs due to:
37 / 120
37) Photomicrograph requirement depends on:
38 / 120
38) Semi-smokeless powder is mixture of:
39 / 120
39) Dermal test detects:
40 / 120
40) Bullet deformation indicates:
41 / 120
41) Harrison & Gilroy test detects:
42 / 120
42) Linking firearm involves:
43 / 120
43) Black powder consists of potassium nitrate, charcoal and sulphur in ratio:
44 / 120
44) The tapered portion connecting chamber and bore is called:
45 / 120
45) Two firing pin impressions on cartridge case can be resolved by:
46 / 120
46) Maximum range of projectile occurs when angle is:
47 / 120
47) Trajectory depends on:
48 / 120
48) Bullet energy depends on:
49 / 120
49) Improvised firearms are:
50 / 120
50) Internal ballistics deals with:
51 / 120
51) GSR contains:
52 / 120
52) Cartridge case marking depends on:
53 / 120
53) Obturation means:
54 / 120
54) Most important tool for comparison:
55 / 120
55) Burning rate of propellant depends on:
56 / 120
56) The term used for designation of rifled firearms based on bore size is:
57 / 120
57) Bullet with least air resistance:
58 / 120
58) Firearm identification depends on:
59 / 120
59) Evidence linking depends on:
60 / 120
60) Ejector marks indicate:
61 / 120
61) Which compound is commonly used in priming mixture?
62 / 120
62) Shot pattern helps in:
63 / 120
63) Individual characteristics develop due to:
64 / 120
64) Revolver cylinder rotates via:
65 / 120
65) Chain of custody ensures:
66 / 120
66) Time since firing can be estimated by:
67 / 120
67) Evidence comparison needs:
68 / 120
68) Walker test detects:
69 / 120
69) Final conclusion must be:
70 / 120
70) Cartridge case expansion due to:
71 / 120
71) Depth of rifling grooves typically ranges:
72 / 120
72) Velocity inside target is called:
73 / 120
73) Firearm with anticlockwise rifling:
74 / 120
74) Terminal ballistics deals with:
75 / 120
75) Major factor affecting trajectory:
76 / 120
76) Shotgun pellets spread due to:
77 / 120
77) Tattooing in handguns occurs up to:
78 / 120
78) Extractor marks are found on:
79 / 120
79) Lead residue is best detected by:
80 / 120
80) Stability increases when:
81 / 120
81) Lab report must be:
82 / 120
82) Shorter barrel leads to:
83 / 120
83) The primary function of primer is to:
84 / 120
84) Ricochet leads to:
85 / 120
85) Evidence must be:
86 / 120
86) Firing pin marks are usually surrounded by:
87 / 120
87) Filing firing pin affects:
88 / 120
88) Bullet skipping is called:
89 / 120
89) External ballistics deals with:
90 / 120
90) Oiled cartridge test firing enhances visibility of:
91 / 120
91) Class characteristic of bullet:
92 / 120
92) Constriction near muzzle is called:
93 / 120
93) Brass used for cartridges because:
94 / 120
94) Matching marks requirement:
95 / 120
95) Bullet stability depends on:
96 / 120
96) Rifling is produced by:
97 / 120
97) Sheared primer causes:
98 / 120
98) Bullet penetration depends on:
99 / 120
99) Smooth bore reduces:
100 / 120
100) Rifling improves:
101 / 120
101) Headspace refers to:
102 / 120
102) Zip gun refers to:
103 / 120
103) Class characteristics include:
104 / 120
104) High velocity bullets produce:
105 / 120
105) Burning effect observed up to:
106 / 120
106) Headspace relation:
107 / 120
107) Comparison microscope is used for:
108 / 120
108) Barrel striae are produced by:
109 / 120
109) Blackening on cloth due to:
110 / 120
110) Contact wound often produces:
111 / 120
111) 12-bore cylindrical barrel produces entrance hole of:
112 / 120
112) Bullet striations are:
113 / 120
113) Spin of bullet is given by:
114 / 120
114) Air resistance affects:
115 / 120
115) Hangfire is:
116 / 120
116) Forensic conclusion must be:
117 / 120
117) In 7.62x51 mm cartridge:
118 / 120
118) Gun cotton is produced by:
119 / 120
119) Recoil is due to:
120 / 120
120) Bullet velocity increases then:
FACT Forensic Ballistics & Physical Sciences Mock 2
Category: FACT FBall Mock 2
1) Bullet acceleration occurs due to:
2) Comparison microscope is used for:
3) Maximum height depends on:
4) Polygonal rifling differs by:
5) Shot spread increases with:
6) Bullet deformation indicates:
7) Hangfire is:
8) Maximum height depends on:
9) Chamber marks are found on:
10) External ballistics deals with:
11) Smooth bore firearm produces:
12) Dermal nitrate test detects:
13) Primer composition includes:
14) Neutron Activation Analysis is used for:
15) Semi-automatic firearm reloads by:
16) Class characteristics help in:
17) Air resistance reduces:
18) Firearm identification depends on:
19) Terminal velocity occurs when:
20) Button rifling is a method of:
21) Final opinion must be:
22) Breech face impression is:
23) The rear part of barrel where cartridge is placed is:
24) Recoil is due to:
25) Magazine stores:
26) Double-base propellant contains:
27) Individual characteristics arise from:
28) Breech face marks are transferred due to:
29) Projectile motion is governed by:
30) Firearm identification is based on:
31) Entry wound is usually:
32) Bullet yaw refers to:
33) Trajectory is influenced by:
34) Bullet path reconstruction uses:
35) Ejector marks appear in:
36) Comparison microscope is used for:
37) Electrochemical etching is used for:
38) Scientific method includes:
39) Terminal velocity is:
40) Investigator must be:
41) The internal diameter of a firearm barrel measured between lands is called:
42) Drag force depends on:
43) Base drag is due to:
44) Drift is caused by:
45) Automatic firearm means:
46) Lab report must be:
47) Magnus effect influences:
48) Obturation ensures:
49) Terminal ballistics deals with:
50) Cartridge case expansion occurs due to:
51) Firing pin marks are:
52) Firearm evidence is:
53) Trajectory of projectile is:
54) Cartridge case obturation depends on:
55) Bullet stability depends on:
56) Drift is caused by:
57) Obturation means:
58) Rifling improves:
59) Shot dispersion increases with:
60) Caliber is a:
61) Paraffin test detects:
62) Smooth bore firearms include:
63) Primer ignition occurs due to:
64) The purpose of the propellant in ammunition is to:
65) Bullet comparison uses:
66) Misfire is:
67) Shotgun pellet spread is due to:
68) Firearm analysis is part of:
69) GSR mainly consists of:
70) Cartridge case expansion is due to:
71) Full metal jacket bullet has:
72) Off-center firing pin impression indicates:
73) Stability of bullet depends on:
74) Revolver has:
75) Yaw leads to:
76) Bullet kinetic energy is proportional to:
77) Temporary cavity is produced by:
78) Semi-auto pistol ejects cartridge by:
79) Firing pin indentation depth depends on:
80) Maximum pressure occurs:
81) Bullet penetration depends on:
82) Rifling twist direction can be:
83) Choke affects:
84) Low velocity projectile causes:
86) Hollow point bullets are designed to:
87) Range of projectile is maximum when:
88) Cavitation is caused by:
89) Hangfire indicates:
90) Shot pattern helps in:
91) The anvil in center-fire cartridge is located in:
92) Smokeless powder is primarily composed of:
93) Time of flight depends on:
94) The metallic part holding primer and propellant is:
95) Bullet rifling marks include:
96) High velocity projectile causes:
97) Bullet identification requires:
98) Exit wound is generally:
99) Chain of custody ensures:
100) Ricochet causes:
101) Extractor marks are produced during:
102) Time of flight (T) depends on:
103) Internal ballistics deals with:
104) GSR contains elements:
105) GSR detection commonly uses:
106) Gauge of shotgun is defined by:
107) Gyroscopic stability is due to:
108) Trajectory depends on:
109) The spiral grooves inside a rifled barrel are known as:
110) Cartridge case marks depend on:
111) Sabot is used to:
112) Contact wound shows:
113) Chamber marks are formed due to:
114) Conclusion must be:
115) Misfire indicates:
116) Extractor engages cartridge at:
117) Muzzle velocity is:
118) Ricochet means:
119) Evidence linking depends on:
120) Progressive burning propellant shows:
FACT Forensic Ballistics & Physical Sciences Mock 3
Category: FACT FBall Mock 3
1) Chamber marks are:
2) Misfire differs from hangfire by:
3) Projectile path shape:
4) Base drag increases with:
5) Shot dispersion pattern depends on:
6) Magazine capacity depends on:
7) Rifling increases:
8) Time of flight increases with:
9) Chain of custody ensures:
10) Internal ballistics deals with:
11) Gyroscopic stability depends on:
12) Breech face marks are classified as:
13) Revolver cylinder timing defect causes:
14) Scientific method includes:
15) Lab report must be:
16) Trajectory influenced by:
17) Headstamp on cartridge provides:
18) Bullet identification requires:
19) Flash suppressants are added to propellant to:
20) Terminal velocity occurs when:
21) Cold hammer forging produces:
22) Abrasion collar indicates:
23) Chemical etching works on principle of:
24) Range estimation in shotgun depends on:
25) Bullet comparison uses:
26) Stability depends on:
27) Identification depends on:
28) Sodium rhodizonate detects:
29) Striation marks are:
30) High velocity causes:
31) Automatic firearms differ from semi-auto by:
32) Blowback mechanism uses:
33) Ricochet probability increases with:
34) Air rifle is classified as:
35) Firing pin shape contributes to:
36) Ricochet angle depends on:
37) Deep firing pin impression with pierced primer suggests:
38) Maximum height increases with:
39) Overpressure signs include:
40) Number of lands and grooves is:
41) Penetration depends on:
42) Low velocity causes:
43) Ejector marks are located on:
44) Which of the following is NOT a primary explosive used in primer?
45) Yaw angle increases due to:
46) Choke effect reduces:
47) GSR particles are best analyzed by:
48) Extractor failure will result in:
49) Air resistance reduces:
50) Paraffin test is unreliable because it:
51) Lands in rifled barrel are responsible for:
52) Range of projectile is independent of:
53) Pressure-time curve shows peak at:
54) Shot spread increases due to:
55) Striations are useful for:
56) Yaw causes:
57) Primer flow indicates:
58) Terminal velocity condition:
59) Drag coefficient depends on:
60) Comparison microscope provides:
61) Contact wound in skull shows:
62) The primer compound is most sensitive to:
63) Firing pin marks show:
64) SEM-EDX identifies GSR by:
65) Broach rifling involves:
66) Shot pattern helps in:
67) Misfire cause:
68) Shot dispersion pattern helps in:
69) Temporary cavity size depends on:
70) Time of flight for same speed is equal at:
71) Case head separation is caused by:
72) Investigator must be:
73) Breech face marks help in:
74) Comparison microscope allows:
75) Wad column in shotgun mainly functions to:
76) Choke effect is maximum in:
77) Final forensic opinion must be:
78) Nutation is:
79) Breech face marks become more distinct when:
80) Soft point bullets are designed for:
81) Precession of bullet refers to:
82) The diameter measured across opposite grooves in a rifled barrel is:
83) Trajectory flattens when:
84) Evidence must be:
85) Smooth bore leads to:
86) Throat of firearm is located between:
87) Evidence linking depends on:
88) Conclusion must be:
89) Obturation prevents:
90) Neutral burning propellant shows:
91) Temporary cavity is more pronounced in:
92) GSR contains element:
93) Case expansion indicates:
94) Primer setback occurs due to:
95) Terminal ballistics deals with:
96) Muzzle energy depends on:
97) External ballistics deals with:
98) Rifling characteristics include:
99) Case head expansion indicates:
100) Firearm evidence is:
101) Firearm study belongs to:
102) Semi-auto malfunction “stovepipe” refers to:
103) Rifling pitch refers to:
104) Single-base propellant contains:
105) Final opinion must be:
106) Kinetic energy is proportional to:
107) Bullet deformation shows:
108) Off-center primer strike indicates:
109) Hangfire cause:
110) Recoil energy depends on:
111) Trajectory deviation due to Earth rotation is:
112) Boat-tail bullets reduce:
113) Burning rate of propellant increases with:
114) Sodium rhodizonate test detects:
115) Exit wound irregularity increases with:
116) Spin drift occurs due to:
117) Bullet path reconstruction uses:
118) Cartridge case marks depend on:
119) Magnus effect causes:
120) Firearm evidence classification uses:
FACT Forensic Ballistics & Physical Sciences Mock 4
Category: FACT FBall Mock 4
1) Burning rate of propellant is influenced by:
2) Rifling characteristics include:
3) Cartridge marks depend on:
4) Fully automatic firearms use:
5) Time of flight is proportional to:
6) Cylinder timing defect results in:
7) Excessive headspace may result in:
8) Air resistance reduces:
9) Smooth bore leads to:
10) Hangfire differs by:
11) Shot dispersion pattern depends primarily on:
12) Projectile motion path is:
13) Primer sensitivity is controlled by:
14) Caliber variation belongs to:
15) Progressive burning propellant ensures:
16) Gyroscopic stability increases with:
17) Breech face marks are:
18) Blowback mechanism relies on:
19) Penetration depends on:
20) Comparison microscope allows:
21) Hangfire indicates:
22) Bullet deformation indicates:
23) Failure to eject (stovepipe) occurs due to:
24) Breech face marks are enhanced when:
25) Flattened primer edges indicate:
26) Terminal velocity achieved when:
27) Kinetic energy ∝
28) Comparison microscope allows:
29) Magazine feeding failure causes:
30) Yaw increases:
31) Striations become clearer with:
32) Misfire means:
33) Electrochemical restoration works by:
34) Primer flow into firing pin hole indicates:
35) Rifling improves:
36) GSR composition includes:
37) Final conclusion must be:
38) Grain geometry affects:
39) Pierced primer indicates:
40) Primer flow indicates:
41) Primer setback occurs before:
42) Internal ballistics studies:
43) Shot dispersion increases due to:
44) Lab report must be:
45) In rifled firearms, spin stabilization is primarily due to:
46) Sodium rhodizonate test is specific for:
47) Chamber marks are influenced by:
48) Maximum pressure inside barrel occurs:
49) Obturation ensures:
50) Class characteristics are insufficient for:
51) Boat-tail reduces:
52) Terminal velocity occurs when:
53) Shot pattern helps:
54) SEM-EDX confirms GSR by detecting:
55) Trajectory becomes flatter when:
56) Case head expansion indicates:
57) Misfire cause includes:
58) Shot pattern helps in:
59) Ejector marks are absent in:
60) Stellate wounds are typical in:
61) Trajectory depends on:
62) Magnus effect produces:
63) Time of flight depends on:
64) Hammer forging aligns:
65) Drag force ∝
66) Chain of custody ensures:
67) Terminal ballistics studies:
68) Case head expansion is indicator of:
69) Rifles differ from pistols in:
70) Mercury fulminate in primers is now avoided due to:
71) Coriolis effect depends on:
72) Choke effect reduces:
73) Kinetic energy relation is:
74) Evidence must be:
75) Bullet stability depends on:
76) Recoil follows:
77) Scientific method includes:
78) For same velocity, maximum range occurs at:
79) Sodium rhodizonate test detects:
80) Rimless cartridge headspaces on:
81) Bullet comparison uses:
82) Headspace excess leads to:
83) Nutation is:
84) External ballistics studies:
85) Low velocity bullet produces:
86) Throat erosion affects:
87) Ricochet probability increases with:
88) Yaw angle increases due to:
89) Cavitation depends on:
90) Investigator must be:
91) Maximum range occurs at:
92) The difference between bore diameter and groove diameter indicates:
93) Deterrents in propellant are used to:
94) Striations are unique due to:
95) Firearm analysis is part of:
96) Hollow point increases:
97) Case expansion depends on:
98) Individual characteristics arise mainly from:
99) GSR particles are spherical due to:
100) Light firing pin strike may be caused by:
101) Rifling twist rate influences:
102) High velocity bullet produces:
103) False positives in paraffin test occur due to:
104) Precession is caused by:
106) Spin drift direction depends on:
107) Temporary cavity energy is proportional to:
108) Base drag is minimized by:
109) Final forensic conclusion must be:
110) Identification depends on:
111) Button rifling produces:
112) Choke constriction affects:
113) Irregular exit wound suggests:
114) Bullet trajectory reconstruction uses:
115) Evidence linking depends on:
116) Ricochet angle depends on:
117) Firearm evidence is classified as:
118) Bullet identification requires:
119) Range is independent of:
120) Exit wound characteristics depend on:
FACT Forensic Ballistics & Physical Sciences Mock 5
Category: FACT FBall Mock 5
1) Firearm evidence is classified as:
2) Comparison microscope enables:
3) Twist rate affects:
4) Rifling characteristics include:
5) Kinetic energy depends on:
6) Air resistance reduces:
7) Timing defect in revolver results in:
8) Shot spread increases due to:
9) Drag force varies with:
10) Bullet comparison uses:
11) Light primer strike can be caused by:
12) Individualization requires:
13) Final opinion must be:
14) Maximum projectile range occurs when:
15) Morphology of GSR particles indicates:
16) Ricochet likelihood increases with:
17) The relationship between bore diameter and caliber varies because:
18) Sodium rhodizonate detects:
19) Stability depends on:
20) Temporary cavity energy ∝
21) Striations clarity improves with:
22) Primer flow indicates:
23) Modern primers avoid mercury compounds because they:
24) Class characteristics are useful for:
25) Chain of custody ensures:
26) Excessive headspace leads to:
27) Ricochet angle depends on:
28) Smooth bore results in:
29) Gyroscopic stability factor increases when:
30) Bullet deformation indicates:
31) Scientific method includes:
32) Breech face marks clarity increases with:
33) Yaw increases:
34) Primer setback is corrected when:
35) Cold hammer forging improves:
36) Projectile path is:
37) Comparison microscope enables:
38) Polygonal rifling reduces:
39) Rifling improves:
40) Evidence must be:
41) Coriolis effect becomes significant in:
42) Abrasion collar indicates:
43) Serial number restoration works because:
44) Grain perforation in propellant leads to:
45) Time of flight depends on:
46) High velocity causes:
47) Case expansion indicates:
48) External ballistics studies:
49) GSR confirmation requires detection of:
50) Firearm analysis belongs to:
51) Case head expansion is indicator of:
52) Shot pattern helps determine:
53) Nutation represents:
54) Large irregular exit wound indicates:
55) Range of projectile depends on:
56) Base drag minimized by:
57) Final conclusion must be:
58) Lab report must be:
59) Excessive firing pin protrusion may lead to:
60) Pressure-time curve peak occurs:
61) Recoil energy follows:
62) Spin drift direction depends on:
63) Progressive burning ensures:
64) Choke reduces:
65) Full choke produces:
66) Misfire indicates:
67) Misfire results from:
68) Precession motion arises due to:
69) Shot spread is influenced by:
70) Primer flow into firing pin aperture indicates:
71) Trajectory curvature is governed by:
72) Case head separation is most likely due to:
73) Breech face marks contribute to:
74) Final forensic opinion must be:
75) Kinetic energy relation is best expressed as:
76) Maximum height ∝
77) Hangfire is:
78) Ejector marks absent in:
79) SEM-EDX confirms GSR by detecting:
80) Magnus effect results in:
81) Hangfire indicates:
82) Flattened primer edges suggest:
83) Identification depends on:
84) Terminal ballistics studies:
85) Bullet trajectory reconstruction uses:
86) Stovepipe malfunction indicates:
87) Terminal velocity occurs when:
88) Throat erosion primarily results in:
89) Stability factor depends on:
90) Select-fire weapons allow:
91) Shot pattern used for:
92) Obturation prevents:
93) Penetration depends on:
94) Investigator must be:
95) Boat-tail bullets reduce:
96) Case expansion ceases when:
97) Sodium rhodizonate differentiates lead by:
98) Chamber marks vary due to:
99) Yaw increases drag because:
100) Trajectory depends on:
101) Time of flight for complementary angles is:
102) Cartridge marks depend on:
103) Temporary cavity formation is governed by:
104) Bottleneck cartridges headspace on:
105) Evidence linking depends on:
106) Rifles differ from shotguns mainly in:
107) Propellant burn rate increases with:
108) Deterrent coatings act by:
109) Blowback system relies on:
110) Individual characteristics are generated by:
111) Low velocity causes:
112) Hollow point bullets maximize:
113) GSR contains:
114) Contact wound in skull leads to:
115) Persistence of individual characteristics depends on:
116) Bullet identification requires:
117) Feed malfunction is caused by:
118) Terminal velocity achieved when:
119) Primer detonation sensitivity is maximized by:
120) Internal ballistics studies:
