IICSF
FACT PLUS - PYQ PART 1
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Category: fact+part1
1) Where the first chemical examiner laboratory was established?
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2) Which of the following commands CANNOT be used to collect the Volatile Data
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3) A fraudulent scheme where the operator promises higher rate of return with little risk and generates returns for older investors through revenue paid by new investors. It is called:-
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4) High denomination printed Non-Judicial (NJ) Stamp paper contains:-
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5) Which of the following is NOT a type of Volatile evidence?
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6) Forensic experts are authorised to conduct examination of currency notes under section:
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7) Big-Bang theory of universe is related to:
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8) What is the space on a drive called when a file is deleted?
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9) World Ozone Day is celebrated on
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10) For two events A and B, the Bayes' theorem is given by which of the following formulas, (P(A)=0) (symbols have their usual meanings)?
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11) It is NOT true that ISO/IEC 17025:2005
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12) Flammable ice is
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13) In electron microscope, the image of the object is formed by which of the following when a beam of electrons is directed at the object?
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14) The size of the seized Hard Disk is 500 GB and it is having free space of 300 GB. What will be the size of the digital forensic raw image?
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15) NABL undertakes assessment of Accreditation of Testing & Calibration of laboratories in accordance with international standard ISO/IEC 17025 ISO15189. Advantages of NABL Accreditations include:-
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16) Which of the following microscope is most suitable for studying sequence of strokes?
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17) Carbon refer to diamond and then corundum refers to
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18) Which of the following is NOT the fundamental physical quantity?
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19) Which of the detector is most suitable for measurement of emission of radiation in U.V. region?
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20) Thermal Printing is a digital printing process which produces images by:
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21) When a steel rod is heated to 2800 degree F, the colour of molten steel becomes
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22) Preservative used for preservation of viscera in hydrochloric acid poisoning
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23) Which command will NOT show the MAC address of a computer?
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24) While making crime scene sketch location of interest on the walls or elsewhere in the enclosed space are best shown using
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25) If R and S are two independent events, then, with usual symbols, the probability that they will both occur, that is P(R and S) is given by which of the following formulas?
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26) The term Narco analysis was coined by
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27) The technique of taking photographs through microscope is called?
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28) Which word is most opposite in meaning of word 'jeopardises' as used in a sentence or a passage?
29 / 50
29) Crossover cable is used to connect?
30 / 50
30) "No person accused of an offence can be compelled to be a witness against himself" is covered under:
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31) Specific type of memory that can be erased anytime is classified as
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32) Consecutive number is always divisible by largest possible number by which the product of five consecutive natural number can be divided by:
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33) Reports of certain Government scientific experts may be used as evidence in court under section
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34) High Security Number Plates were introduced in 2005 for security reasons because it contains:-
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35) Mug book contains
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36) In which year, the first Finger print Bureau was established in India?
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37) How would you distinguish a file having bad extension?
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38) Use of Narco analysis, Brain mapping and Polygraph tests on suspects was declared illegal and against constitution by Supreme court of India on
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39) In a microscope, for small values of numerical aparture of the objective, the depth of field 'd' varies with numerical aparture(NA), as?
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40) Vibrations too high in frequency to be audible (greater than 20,000 Hz) are called:
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41) He left the police station contrite. Choose the word nearest in meaning to CONTRITE
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42) Which factors determine the quality of human efforts?
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43) Ten Fingerprints Classification System for fingerprint identification is also known as:
44 / 50
44) A bag contains 8 green and 8 red balls. Find the probability that the ball drawn is red when one ball is selected at random:
45 / 50
45) Gel pen ink consists of:-
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46) In microscopy, let 'n' be the refractive index of the medium through which light travels from the object to the lens. If there is increase in 'n', then which of the following statements is true?
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47) Hargobind khurana was awarded Nobel Prize for
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48) Which of the following is NOT related to Glass?
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49) Person A can finish a work in 60 days. Another person B can finish the same work in 40 days. Person B worked for 10 days and left the job. In how many days person A alone can finish the remaining work?
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50) Two dice are rolled simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of three on the other dice:
Your score is
The average score is 38%
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FACT PLUS - PYQ Ballistics
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Category: PYQ_fact+_Ballistics
1) Which of the following combinations of bullets have steel core?
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2) The rate of burning of propellants depends upon which of the following factors?
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3) Which of the following is TRUE about SINTOX priming composition?
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4) In which of the following firearms, the chamber is empty at the instant when trigger is pressed for firing, (the firearm being fired in semi-automatic mode)?
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5) In which of the following bullets, cannelure is absent?
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6) A 12-bore DBBL side-by-side gun (one barrel-full choke and other TRUE cylinders) manufactured by Indian Ordnance Factories was found to be involved in a crime. Two 12-bore 2.5-inch cartridges loaded with pellets of size 6 were fired from this gun, one from the right and other from the left barrel. Which of the following statements is correct?
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7) More than one flash-hole is an indication of which type of primer?
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8) That part of the gun stock on which the shooter's cheek rests when he takes aim to hit a target, is called:
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9) In respect of bullets loaded in .38 revolver cartridges, which of the following is correct?
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10) For penetration of a projectile in human body, the concept of its energy density has been considered. Which of the following is normally considered to be the threshold value of this energy density?
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11) The estimation of maximum range of fired shots can be given by which of the following?
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12) Photography of high-velocity bullets in flight, bullet velocity greater than velocity of sound in air, have shown that waves originate from the nose of bullet. The angle made by the waves at the nose of the projectile, is given by which of the following relations, (M is mach number of bullet in motion)?
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13) There is a threshold velocity of penetration of skin by a projectile V(Th). Suppose a pistol bullet enters into human body, the loss of velocity suffered by it in passing through skin is?
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14) The 'balled shot' stands for which of the following?
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15) In 12-bore, 2.5-inch shot-gun cartridge loaded with LG shots, the total weight of these LG shots is approximately equal to:
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16) Which of the following are propellants with decreasing burning surface area but increasing volume of gases as burning proceeds?
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17) The nose of bullet loaded in 0.315 rifle cartridge is:
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18) Trombone Action is associated with which of the following firearms?
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19) At a scene of crime, a man was found dead on his bed with a 12-bore shotgun clasped in both hands, and left side of head blown off. Propellant particles (tattooing) were found on underside of left forearm. Which of the following can be manner of death?
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20) Which of the following is the composition loaded in a tracer bullet?
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21) Which of the following is TRUE about "degressive" (with decreasing burning surface area as burning proceeds) and "progressive" (with increasing burning surface area as burning proceeds) powders used in smallarms cartridges?
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22) The small arms propellants are manufactured in different shapes, like ball, flake, cylinder, single perforated grains etc. For flakes, the web of the grain, as defined in internal Ballistics is:
23 / 70
23) The iron pyrite used in wheel-lock system is actually which of the following?
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24) The internal cross-sectional diameter of bore of TRUE cylinder barrel of 16-bore shot-gun is equal to diameter of a lead ball weighing:
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25) For trajectory determinations using Ingalls' Ballistic Tables, let X Range, C = Ballistic coefficient, T(u) Time function for velocity u, V = Initial velocity (ft/sec) and v remaining velocity (ft/sec) at range X, then, the time of flight for range X is given by which of the following relations?
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26) Which of the following was the main reason for discontinuation of mercuric priming mixtures?
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27) Some potassium salts like potassium sulphate, potassium aluminium fluoride were added to propellants. Which of the following was the reason?
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28) Two bullets of same size and shape, but one is less dense than the other, are fired at same muzzle velocity. Which of the following is TRUE about their stability while moving in air?
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29) The rounded front end of the flats of shotgun action block where the forend fits is called:
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30) Which of the following is TRUE about bullets loaded in 7.62 x 39 mm cartridge and 9 x 19 mm pistol cartridge?
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31) If 'N' is the number of lead pellets of given size in one ounce, then the ballistic coefficient C, of a pellet of this size is given by which of the following relations?
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32) A database relating to marks on cartridge cases/bullets is maintained in:
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33) When a high-velocity missile passes through a medium like water/gelatin gel, the diameter "D" of temporary cavity is proportional to the space rate of energy change. Which of the following is the CORRECT one?
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34) Chemicals like carbamite are added to the smokeless propellants. Which of the following is the reason for this?
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35) In revolvers, parts of different chambers are formed at one end of a rod. This rod is known as which of the following?
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36) A double action revolver is a handgun. In connection with this revolver, which of the following is correct?
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37) When a high-velocity projectile moves in human body, there is formation of shock waves. Which of the following is approximately the velocity of shock waves inside human body?
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38) The bullet of 5.56 x 45 mm cartridge fired into human body suffers heavy retardation. Which of the following is the reason?
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39) The SINOXID priming compositions were based on which of the following compositions:
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40) In which of the following firearms, the extractors form part of the chambers?
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41) The coefficient of reduction or form-factor for spherical projectiles is given by which of the following?
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42) In 7.62 mm self-loading rifle cartridge, boat-tailed bullet is used. Which of the following is the reason behind?
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43) 0.38 revolver cartridge has:
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44) The British Brown Bess was a famous historical firearm. Which of the following is TRUE about this firearm?
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45) In 12-bore, 2.5 inch cartridge, the total number of shots (pellets) of size 3 loaded in the cartridge is approximately equal to:
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46) Which of the following is the factor on which rate of burning of propellant does NOT depend?
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47) An evidence fired bullet of 0.500 caliber was recovered from body of a victim. The Investigating Officer sent about 200 bullets and asked the expert if there was any bullet in this collectioin which matches with the evidence bullet. Which of the following is helpful to the expert in quick eliminations?
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48) Which of the following cartridges is fired from AK-47 rifle?
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49) The Snaphounce was a 16th century weapon. Which of the options is TRUE about this weapon?
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50) The internal cross-sectional diameter of cylindrical portion of barrel of 12-bore gun
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51) In photomicrographs showing the matching of marks on evidence and test cartridge cases/bullets, which of the following marks are helpful to the defence counsel?
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52) A bullet had ricocheted from a metallic surface producing a deep ricochet mark. Which of the following is NOT a characteristic of ricochet phenomena?
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53) The ballistic coefficient of an elongated bullet is defined as BC=(w/id2) where 'w' is mass of bullet and 'd' is cross-sectional diameter of cylindrical portion of bullet and i is called form-factor. Which of the following is TRUE about the form-factor?
54 / 70
54) The action employed in 9 mm High Power FN Browning pistol is:
55 / 70
55) Which of the following statements is correct?
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56) In rifles, the energy liberated by the burning of propellant is converted into various forms. In the case of 0.303 rifle, which of the following are major forms into which this energy gets converted?
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57) The earliest soft-point bullets which were made by grinding off the nose of jacket of 303 bullet were called:
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58) For appropriate ignition of propellants, there should be proper choice of primer. On which of the following factors, this choice does NOT depend?
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59) The 12-bore cartridges manufactured by Indian Ordnance Factories have lengths of 2.5 inche and 2.75 inch and are known as Astram/Special/Deluxe/Magna. cartridges. Which of the following is TRUE about these cartridges?
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60) In attempts to produce smokeless powders, nitrocellulose was treated with ether-alcohol mixture. Which of the following is the reason?
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61) A 64-grain bullet fired from a rifle has muzzle velocity of 2100 ft./sec. Its muzzle-energy is approximately given by:
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62) A ball cartridge is a cartridge loaded with:
63 / 70
63) As determined in wound ballistic studies, the energy, E, transferred by a high velocity projectile in passing through water or tissues to cause pulsations of temporary cavity and the time of cycle, say 't', are connected by which of the following relations?
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64) A pump-action shotgun has a magazine. Which of the following is true?
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65) After examination of evidence and test fired cartridge cases/bullets under the comparision microscope, the expert furnishes his opinion to the court. Which of the following opinions is not a suitable opinion?
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66) Which of the following firearms leaves firing pin drag marks on fired cartridge cases fired from it?
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67) In experiments conducted by firing high-velocity projectiles in water, gelatin gel etc., let V(TC) = volume of temporary cavity, V(ZE) volume of zone of extravasation, V(PC) volume of permanent cavity. Which of the following is CORRECT observation in respect of these volumes?
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68) In Walker's test for testing of nitrite pattern around a suspected gun-shot hole in clothes, a cloth moistened with dilute acetic acid is used and heat is applied with electric iron. The acetic acid vapours first convert nitrites to:
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69) Which of the following firearms are a tip-up action firearms?
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70) Sometimes, it is easy to link an evidence fired cartridge case with a country-made pistol. Which of the following is most appropriate?
The average score is 0%
FACT PLUS - PART A
Category: Aptitude
1) Most frequently occurring value in a data set is:
Category: English
2) Opposite of “Scarce”:
3) 30 students: 18 Physics, 12 Chemistry, 5 both. How many like neither?
4) Simple interest on ₹1000 at 10% per annum for 2 years is:
Category: General Knowledge
5) Which of the following is NOT a greenhouse gas?
6) Two dice thrown. What is the probability of getting sum 7?
7) World Environment Day is celebrated on:
Category: Reasoning
8) Statement: All dogs are animals. Conclusion: All animals are dogs.
9) World Ozone Day is celebrated on:
10) Series: 2, 4, 6, 8, ?
11) Choose the synonym of “Contrite”:
12) Odd one out: Apple, Mango, Carrot, Banana
13) 1 kilometre equals:
14) Probability of getting a head when a coin is tossed once:
15) If x + 5 = 15, find x.
16) If A = 1, B = 2, then C =
17) United Arab Emirates consists of how many Emirates?
18) The product of five consecutive natural numbers is always divisible by:
19) Choose the word nearest in meaning to “Jeopardise”:
20) Which country is known as the “Land of the Rising Sun”?
21) Which Indian city is known as the Silicon Valley of India?
22) Which planet is closest to the Sun?
23) Fill in the blank: She is good ___ mathematics.
24) If CAT = DBU, then DOG = ?
25) Who is known as the Father of Indian Constitution?
26) One who cannot read or write is called:
27) Fish is to water as bird is to:
28) Statement: Some metals are non-metals. All non-metals are solids. Conclusion: Some metals are solids.
29) Man walks 10m N, turns R 5m, turns R 10m. Distance from start?
30) Choose the correct sentence:
31) The ratio 2:3 is equal to:
32) Perimeter of a square of side 5 cm is:
33) 50% of 80 is:
34) Nobel Prize is not awarded in which field?
35) Choose the antonym of “Expand”:
36) Faces North and turns right. Which direction now?
37) P(A)=1/4, P(B)=1/3 (independent). P(A ∩ B) =
38) 20% of 250 is:
39) Missing term: b, e, h, k, n, ?
40) A can complete work in 60 days, B in 40. B works for 10 days and leaves. A's remaining days?
41) Missing number: 3, 9, 27, 81, ?
42) Fill in the blank: I prefer tea ___ coffee.
43) Odd one out: Square, Circle, Triangle, Table
44) Average of 2, 4, 6 is:
45) Meaning of “Optimistic”:
46) Area of a square of side 4 cm is:
47) Choose the correct spelling:
48) Value of 5² is:
49) If 3x = 12, then x =
50) The currency of United Arab Emirates is:
FACT PLUS - BALLISTICS
Category: Terminal Ballistics
1) In distant firing, which is absent?
Category: Forensic Ballistics
2) Primer contains:
3) Method of producing rifling includes:
4) Blank cartridge lacks:
5) Air cushion wad is used for:
6) Headspace refers to:
7) Cartridge case provides:
8) IBIS database stores:
9) Purpose of rifling is to:
10) Common primer composition includes:
11) Country-made firearms show:
12) Striations are produced by:
13) Bore number in shotguns is based on:
14) Rifled firearms include:
Category: Forensic Science
15) Comparison microscope is used for:
16) Safety while handling firearm includes:
Category: External Ballistics
17) Bullet trajectory refers to:
18) Half choke gives:
Category: Forensic Chemistry
19) GSR analysis commonly uses:
20) Headstamp indicates:
21) Choke in shotgun affects:
22) Right-hand twist means:
Category: Forensic Physics
23) Recoil is explained by:
24) Country-made firearms are often:
25) Revolver differs from pistol by:
26) Class characteristics include:
27) Pistol uses:
28) Bullet stability depends on:
29) Firearms are classified based on:
30) Rifling twist refers to:
31) Close range firing shows:
32) Class characteristics help in:
33) Full choke gives:
34) Individual characteristics help in:
35) Carbine is:
36) Cartridge consists of:
37) Wads are used to:
38) Shot dispersion increases with:
39) Gunshot residue (GSR) contains:
40) Calibre refers to:
41) Rifling consists of:
42) Propellant function is to:
43) Striation matching is used for:
44) Ball ammunition contains:
45) Shotgun cartridge contains:
46) Firearm evidence must be:
47) Improvised firearms are:
48) Ricochet bullet shows:
49) Individual characteristics arise from:
50) Smooth bore firearms include:
The average score is 88%
