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Empowering Investigative Minds

IICSF

FACT PLUS

PYQs & Mock Tests

FACT +

BALLISTICS

Previous Year Questions
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FACT PLUS - PYQ PART 1

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Category: fact+part1

1) Ten Fingerprints Classification System for fingerprint identification is also known as:

2 / 50

Category: fact+part1

2) Flammable ice is

3 / 50

Category: fact+part1

3) It is NOT true that ISO/IEC 17025:2005

4 / 50

Category: fact+part1

4) While making crime scene sketch location of interest on the walls or elsewhere in the enclosed space are best shown using

5 / 50

Category: fact+part1

5) Which command will NOT show the MAC address of a computer?

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Category: fact+part1

6) Crossover cable is used to connect?

7 / 50

Category: fact+part1

7) How would you distinguish a file having bad extension?

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Category: fact+part1

8) Which of the following microscope is most suitable for studying sequence of strokes?

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Category: fact+part1

9) 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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Category: fact+part1

10) Hargobind khurana was awarded Nobel Prize for

11 / 50

Category: fact+part1

11) Which of the following commands CANNOT be used to collect the Volatile Data

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Category: fact+part1

12) 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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Category: fact+part1

13) 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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Category: fact+part1

14) Which of the detector is most suitable for measurement of emission of radiation in U.V. region?

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Category: fact+part1

15) 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?

16 / 50

Category: fact+part1

16) Vibrations too high in frequency to be audible (greater than 20,000 Hz) are called:

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Category: fact+part1

17) Thermal Printing is a digital printing process which produces images by:

18 / 50

Category: fact+part1

18) Use of Narco analysis, Brain mapping and Polygraph tests on suspects was declared illegal and against constitution by Supreme court of India on

19 / 50

Category: fact+part1

19) Preservative used for preservation of viscera in hydrochloric acid poisoning

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Category: fact+part1

20) 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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Category: fact+part1

21) High denomination printed Non-Judicial (NJ) Stamp paper contains:-

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Category: fact+part1

22) What is the space on a drive called when a file is deleted?

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Category: fact+part1

23) "No person accused of an offence can be compelled to be a witness against himself" is covered under:

24 / 50

Category: fact+part1

24) Specific type of memory that can be erased anytime is classified as

25 / 50

Category: fact+part1

25) Where the first chemical examiner laboratory was established?

26 / 50

Category: fact+part1

26) When a steel rod is heated to 2800 degree F, the colour of molten steel becomes

27 / 50

Category: fact+part1

27) The technique of taking photographs through microscope is called?

28 / 50

Category: fact+part1

28) The term Narco analysis was coined by

29 / 50

Category: fact+part1

29) Carbon refer to diamond and then corundum refers to

30 / 50

Category: fact+part1

30) Mug book contains

31 / 50

Category: fact+part1

31) Gel pen ink consists of:-

32 / 50

Category: fact+part1

32) Which of the following is NOT the fundamental physical quantity?

33 / 50

Category: fact+part1

33) Forensic experts are authorised to conduct examination of currency notes under section:

34 / 50

Category: fact+part1

34) 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:

35 / 50

Category: fact+part1

35) 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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Category: fact+part1

36) Consecutive number is always divisible by largest possible number by which the product of five consecutive natural number can be divided by:

37 / 50

Category: fact+part1

37) Which factors determine the quality of human efforts?

38 / 50

Category: fact+part1

38) Big-Bang theory of universe is related to:

39 / 50

Category: fact+part1

39) Reports of certain Government scientific experts may be used as evidence in court under section

40 / 50

Category: fact+part1

40) World Ozone Day is celebrated on

41 / 50

Category: fact+part1

41) Which of the following is NOT related to Glass?

42 / 50

Category: fact+part1

42) Which of the following is NOT a type of Volatile evidence?

43 / 50

Category: fact+part1

43) Which word is most opposite in meaning of word 'jeopardises' as used in a sentence or a passage?

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Category: fact+part1

44) In a microscope, for small values of numerical aparture of the objective, the depth of field 'd' varies with numerical aparture(NA), as?

45 / 50

Category: fact+part1

45) 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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Category: fact+part1

46) He left the police station contrite. Choose the word nearest in meaning to CONTRITE

47 / 50

Category: fact+part1

47) 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:

48 / 50

Category: fact+part1

48) High Security Number Plates were introduced in 2005 for security reasons because it contains:-

49 / 50

Category: fact+part1

49) 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)?

50 / 50

Category: fact+part1

50) In which year, the first Finger print Bureau was established in India?

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FACT PLUS - PYQ Ballistics

1 / 70

Category: PYQ_fact+_Ballistics

1) More than one flash-hole is an indication of which type of primer?

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Category: PYQ_fact+_Ballistics

2) 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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Category: PYQ_fact+_Ballistics

3) 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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Category: PYQ_fact+_Ballistics

4) 0.38 revolver cartridge has:

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Category: PYQ_fact+_Ballistics

5) In which of the following bullets, cannelure is absent?

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Category: PYQ_fact+_Ballistics

6) In attempts to produce smokeless powders, nitrocellulose was treated with ether-alcohol mixture. Which of the following is the reason?

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Category: PYQ_fact+_Ballistics

7) 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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Category: PYQ_fact+_Ballistics

8) A double action revolver is a handgun. In connection with this revolver, which of the following is correct?

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Category: PYQ_fact+_Ballistics

9) 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?

10 / 70

Category: PYQ_fact+_Ballistics

10) A ball cartridge is a cartridge loaded with:

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Category: PYQ_fact+_Ballistics

11) The nose of bullet loaded in 0.315 rifle cartridge is:

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Category: PYQ_fact+_Ballistics

12) 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?

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Category: PYQ_fact+_Ballistics

13) 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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Category: PYQ_fact+_Ballistics

14) 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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Category: PYQ_fact+_Ballistics

15) Which of the following combinations of bullets have steel core?

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Category: PYQ_fact+_Ballistics

16) 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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Category: PYQ_fact+_Ballistics

17) 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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Category: PYQ_fact+_Ballistics

18) The Snaphounce was a 16th century weapon. Which of the options is TRUE about this weapon?

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Category: PYQ_fact+_Ballistics

19) The coefficient of reduction or form-factor for spherical projectiles is given by which of the following?

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Category: PYQ_fact+_Ballistics

20) In respect of bullets loaded in .38 revolver cartridges, which of the following is correct?

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Category: PYQ_fact+_Ballistics

21) 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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Category: PYQ_fact+_Ballistics

22) In 12-bore, 2.5-inch shot-gun cartridge loaded with LG shots, the total weight of these LG shots is approximately equal to:

23 / 70

Category: PYQ_fact+_Ballistics

23) The SINOXID priming compositions were based on which of the following compositions:

24 / 70

Category: PYQ_fact+_Ballistics

24) 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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Category: PYQ_fact+_Ballistics

25) 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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Category: PYQ_fact+_Ballistics

26) 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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Category: PYQ_fact+_Ballistics

27) 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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Category: PYQ_fact+_Ballistics

28) The action employed in 9 mm High Power FN Browning pistol is:

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Category: PYQ_fact+_Ballistics

29) 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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Category: PYQ_fact+_Ballistics

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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Category: PYQ_fact+_Ballistics

31) 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:

32 / 70

Category: PYQ_fact+_Ballistics

32) The iron pyrite used in wheel-lock system is actually which of the following?

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Category: PYQ_fact+_Ballistics

33) Which of the following firearms leaves firing pin drag marks on fired cartridge cases fired from it?

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Category: PYQ_fact+_Ballistics

34) The 'balled shot' stands for which of the following?

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Category: PYQ_fact+_Ballistics

35) 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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Category: PYQ_fact+_Ballistics

36) 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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Category: PYQ_fact+_Ballistics

37) A database relating to marks on cartridge cases/bullets is maintained in:

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Category: PYQ_fact+_Ballistics

38) The British Brown Bess was a famous historical firearm. Which of the following is TRUE about this firearm?

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Category: PYQ_fact+_Ballistics

39) Which of the following firearms are a tip-up action firearms?

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Category: PYQ_fact+_Ballistics

40) 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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Category: PYQ_fact+_Ballistics

41) The rounded front end of the flats of shotgun action block where the forend fits is called:

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Category: PYQ_fact+_Ballistics

42) A pump-action shotgun has a magazine. Which of the following is true?

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Category: PYQ_fact+_Ballistics

43) 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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Category: PYQ_fact+_Ballistics

44) Some potassium salts like potassium sulphate, potassium aluminium fluoride were added to propellants. Which of the following was the reason?

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Category: PYQ_fact+_Ballistics

45) Which of the following statements is correct?

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Category: PYQ_fact+_Ballistics

46) 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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Category: PYQ_fact+_Ballistics

47) Chemicals like carbamite are added to the smokeless propellants. Which of the following is the reason for this?

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Category: PYQ_fact+_Ballistics

48) 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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Category: PYQ_fact+_Ballistics

49) The internal cross-sectional diameter of cylindrical portion of barrel of 12-bore gun

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Category: PYQ_fact+_Ballistics

50) The earliest soft-point bullets which were made by grinding off the nose of jacket of 303 bullet were called:

51 / 70

Category: PYQ_fact+_Ballistics

51) 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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Category: PYQ_fact+_Ballistics

52) In 7.62 mm self-loading rifle cartridge, boat-tailed bullet is used. Which of the following is the reason behind?

53 / 70

Category: PYQ_fact+_Ballistics

53) 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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Category: PYQ_fact+_Ballistics

54) 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:

55 / 70

Category: PYQ_fact+_Ballistics

55) 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?

56 / 70

Category: PYQ_fact+_Ballistics

56) 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?

57 / 70

Category: PYQ_fact+_Ballistics

57) In which of the following firearms, the extractors form part of the chambers?

58 / 70

Category: PYQ_fact+_Ballistics

58) Which of the following are propellants with decreasing burning surface area but increasing volume of gases as burning proceeds?

59 / 70

Category: PYQ_fact+_Ballistics

59) Which of the following is TRUE about SINTOX priming composition?

60 / 70

Category: PYQ_fact+_Ballistics

60) The estimation of maximum range of fired shots can be given by which of the following?

61 / 70

Category: PYQ_fact+_Ballistics

61) That part of the gun stock on which the shooter's cheek rests when he takes aim to hit a target, is called:

62 / 70

Category: PYQ_fact+_Ballistics

62) The rate of burning of propellants depends upon which of the following factors?

63 / 70

Category: PYQ_fact+_Ballistics

63) 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?

64 / 70

Category: PYQ_fact+_Ballistics

64) Which of the following cartridges is fired from AK-47 rifle?

65 / 70

Category: PYQ_fact+_Ballistics

65) 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?

66 / 70

Category: PYQ_fact+_Ballistics

66) Which of the following was the main reason for discontinuation of mercuric priming mixtures?

67 / 70

Category: PYQ_fact+_Ballistics

67) Sometimes, it is easy to link an evidence fired cartridge case with a country-made pistol. Which of the following is most appropriate?

68 / 70

Category: PYQ_fact+_Ballistics

68) Which of the following is the factor on which rate of burning of propellant does NOT depend?

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Category: PYQ_fact+_Ballistics

69) Trombone Action is associated with which of the following firearms?

70 / 70

Category: PYQ_fact+_Ballistics

70) Which of the following is the composition loaded in a tracer bullet?

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Unit Wise Tests
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FACT PLUS - PART A

1 / 50

Category: English

1) Fill in the blank: She is good ___ mathematics.

2 / 50

Category: English

2) One who cannot read or write is called:

3 / 50

Category: General Knowledge

3) Which of the following is NOT a greenhouse gas?

4 / 50

Category: Reasoning

4) If A = 1, B = 2, then C =

5 / 50

Category: Aptitude

5) Value of 5² is:

6 / 50

Category: Aptitude

6) The product of five consecutive natural numbers is always divisible by:

7 / 50

Category: General Knowledge

7) United Arab Emirates consists of how many Emirates?

8 / 50

Category: Reasoning

8) Odd one out: Apple, Mango, Carrot, Banana

9 / 50

Category: Aptitude

9) If 3x = 12, then x =

10 / 50

Category: General Knowledge

10) The currency of United Arab Emirates is:

11 / 50

Category: Aptitude

11) Two dice thrown. What is the probability of getting sum 7?

12 / 50

Category: English

12) Choose the synonym of “Contrite”:

13 / 50

Category: General Knowledge

13) World Environment Day is celebrated on:

14 / 50

Category: General Knowledge

14) Who is known as the Father of Indian Constitution?

15 / 50

Category: Aptitude

15) Perimeter of a square of side 5 cm is:

16 / 50

Category: Aptitude

16) Most frequently occurring value in a data set is:

17 / 50

Category: English

17) Fill in the blank: I prefer tea ___ coffee.

18 / 50

Category: Reasoning

18) Faces North and turns right. Which direction now?

19 / 50

Category: Reasoning

19) Odd one out: Square, Circle, Triangle, Table

20 / 50

Category: English

20) Choose the word nearest in meaning to “Jeopardise”:

21 / 50

Category: Reasoning

21) Missing term: b, e, h, k, n, ?

22 / 50

Category: Aptitude

22) Area of a square of side 4 cm is:

23 / 50

Category: General Knowledge

23) Which planet is closest to the Sun?

24 / 50

Category: Reasoning

24) Missing number: 3, 9, 27, 81, ?

25 / 50

Category: Aptitude

25) A can complete work in 60 days, B in 40. B works for 10 days and leaves. A's remaining days?

26 / 50

Category: Aptitude

26) 30 students: 18 Physics, 12 Chemistry, 5 both. How many like neither?

27 / 50

Category: Reasoning

27) Statement: All dogs are animals. Conclusion: All animals are dogs.

28 / 50

Category: English

28) Choose the antonym of “Expand”:

29 / 50

Category: Reasoning

29) Series: 2, 4, 6, 8, ?

30 / 50

Category: General Knowledge

30) Nobel Prize is not awarded in which field?

31 / 50

Category: English

31) Opposite of “Scarce”:

32 / 50

Category: Reasoning

32) If CAT = DBU, then DOG = ?

33 / 50

Category: Aptitude

33) Average of 2, 4, 6 is:

34 / 50

Category: Aptitude

34) If x + 5 = 15, find x.

35 / 50

Category: Aptitude

35) 50% of 80 is:

36 / 50

Category: General Knowledge

36) Which country is known as the “Land of the Rising Sun”?

37 / 50

Category: Reasoning

37) Fish is to water as bird is to:

38 / 50

Category: English

38) Choose the correct spelling:

39 / 50

Category: Aptitude

39) 20% of 250 is:

40 / 50

Category: Aptitude

40) Simple interest on ₹1000 at 10% per annum for 2 years is:

41 / 50

Category: English

41) Meaning of “Optimistic”:

42 / 50

Category: General Knowledge

42) Which Indian city is known as the Silicon Valley of India?

43 / 50

Category: English

43) Choose the correct sentence:

44 / 50

Category: Reasoning

44) Statement: Some metals are non-metals. All non-metals are solids. Conclusion: Some metals are solids.

45 / 50

Category: Aptitude

45) P(A)=1/4, P(B)=1/3 (independent). P(A ∩ B) =

46 / 50

Category: Aptitude

46) The ratio 2:3 is equal to:

47 / 50

Category: Aptitude

47) 1 kilometre equals:

48 / 50

Category: Aptitude

48) Probability of getting a head when a coin is tossed once:

49 / 50

Category: General Knowledge

49) World Ozone Day is celebrated on:

50 / 50

Category: Reasoning

50) Man walks 10m N, turns R 5m, turns R 10m. Distance from start?

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FACT PLUS - BALLISTICS

1 / 50

Category: External Ballistics

1) Half choke gives:

2 / 50

Category: Forensic Ballistics

2) Rifling twist refers to:

3 / 50

Category: Forensic Ballistics

3) Individual characteristics arise from:

4 / 50

Category: Forensic Ballistics

4) Country-made firearms show:

5 / 50

Category: Forensic Ballistics

5) Rifling consists of:

6 / 50

Category: Forensic Ballistics

6) Striation matching is used for:

7 / 50

Category: Forensic Ballistics

7) Calibre refers to:

8 / 50

Category: Forensic Ballistics

8) Cartridge case provides:

9 / 50

Category: Terminal Ballistics

9) Close range firing shows:

10 / 50

Category: External Ballistics

10) Full choke gives:

11 / 50

Category: Forensic Ballistics

11) Country-made firearms are often:

12 / 50

Category: Forensic Ballistics

12) Wads are used to:

13 / 50

Category: Forensic Ballistics

13) Rifled firearms include:

14 / 50

Category: External Ballistics

14) Choke in shotgun affects:

15 / 50

Category: Forensic Ballistics

15) Right-hand twist means:

16 / 50

Category: External Ballistics

16) Ricochet bullet shows:

17 / 50

Category: Forensic Ballistics

17) Air cushion wad is used for:

18 / 50

Category: Forensic Ballistics

18) Smooth bore firearms include:

19 / 50

Category: Forensic Ballistics

19) Revolver differs from pistol by:

20 / 50

Category: Forensic Ballistics

20) IBIS database stores:

21 / 50

Category: Forensic Chemistry

21) Gunshot residue (GSR) contains:

22 / 50

Category: Forensic Ballistics

22) Class characteristics include:

23 / 50

Category: External Ballistics

23) Bullet trajectory refers to:

24 / 50

Category: Forensic Ballistics

24) Bore number in shotguns is based on:

25 / 50

Category: Forensic Ballistics

25) Propellant function is to:

26 / 50

Category: Forensic Ballistics

26) Cartridge consists of:

27 / 50

Category: Forensic Ballistics

27) Pistol uses:

28 / 50

Category: Terminal Ballistics

28) In distant firing, which is absent?

29 / 50

Category: External Ballistics

29) Bullet stability depends on:

30 / 50

Category: Forensic Ballistics

30) Striations are produced by:

31 / 50

Category: Forensic Ballistics

31) Individual characteristics help in:

32 / 50

Category: Forensic Ballistics

32) Shotgun cartridge contains:

33 / 50

Category: Forensic Ballistics

33) Purpose of rifling is to:

34 / 50

Category: Forensic Ballistics

34) Class characteristics help in:

35 / 50

Category: Forensic Physics

35) Recoil is explained by:

36 / 50

Category: Forensic Ballistics

36) Firearms are classified based on:

37 / 50

Category: Forensic Ballistics

37) Primer contains:

38 / 50

Category: Forensic Chemistry

38) GSR analysis commonly uses:

39 / 50

Category: Forensic Ballistics

39) Ball ammunition contains:

40 / 50

Category: Forensic Ballistics

40) Method of producing rifling includes:

41 / 50

Category: Forensic Ballistics

41) Blank cartridge lacks:

42 / 50

Category: Forensic Ballistics

42) Headspace refers to:

43 / 50

Category: Forensic Ballistics

43) Carbine is:

44 / 50

Category: Forensic Science

44) Comparison microscope is used for:

45 / 50

Category: Forensic Ballistics

45) Improvised firearms are:

46 / 50

Category: Forensic Ballistics

46) Common primer composition includes:

47 / 50

Category: Forensic Ballistics

47) Firearm evidence must be:

48 / 50

Category: Forensic Ballistics

48) Headstamp indicates:

49 / 50

Category: External Ballistics

49) Shot dispersion increases with:

50 / 50

Category: Forensic Ballistics

50) Safety while handling firearm includes:

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