Attention Users: For systematic learning, please prefer to check the index page of the MCQs in Forensic Ballistics.

1. Hammer marks are:

  1. Striation marks
  2. Cut marks
  3. Compression marks
  4. None of the above

Answer and Explanation

2. Compression tool marks are produced by:

(i) Hammer (ii) Cutter (iii) Saw (iv) Firing pin

  1.  (i) and (iv) are correct
  2.  (ii) and (iii) are correct
  3.  (i), (ii) and (iv) are correct
  4.  (ii) and (iv) are correct

Answer and Explanation

3. The matching of compression tool marks is based on:

  1. Line matching
  2. Contour matching
  3. Depth matching
  4. None of these

Answer and Explanation

4. Which of the following is not the type of tool mark?

  1. Striation marks
  2. Compression marks
  3. Hackle marks
  4. Combination of striation and compression marks

Answer and Explanation

5. In firing case, muzzle pattern is found in

  1. Contact fire
  2. Firing from 4 ft
  3. Firing from 8 ft
  4. Long distance firing

Answer and Explanation

6. Match the following:

(a) Single action striation mark(i) Hammer
(b) Punch mark(ii) Pliers
(c) Repeated action tool marks(iii) Screw drive
(d) Cutting mark of wire(iv) Drill


7. Drill marks are

  1. Single action striation mark
  2. Compression mark
  3. Repeated action striation mark
  4. Mixed marks


8. The following substance can be used for casting of the tool marks:

  1. Plaster of Paris
  2. Wax
  3. Alumina
  4. Woods metal

Answer and Explanation

9. The following materials are most suitable for casting of tool marks:

a. Wood’s metal b. Vinylite c. Plaster of Paris d. Wax

  1. a and b are correct
  2. a and c are correct
  3. b and c are correct
  4. c and d are correct

Answer and Explanation

10. Variation of ________ in tool angle may cause a significant influence on the matching of the questioned and standard tool mark of the same tool.

  1. 10°
  2. 20°
  3. Above 20°


11. An indentation mark is caused by a tool when it is pressed upon a surface

  1. With continuous impact of low angle in motion
  2. With non-continuous impact in motion
  3. With sliding motion
  4. Without sliding motion

Answer and Explanation

12. Hammerhead against gypsum board will create

  1. Striation marks
  2. Saw and drill marks
  3. Extractor marks
  4. Compression marks


13. The criterion for positive matching of striation tool marks is:

  1. 25% Ridge matching
  2. 40% Ridge matching
  3. 50% Ridge matching
  4. 60% Ridge matching

Answer and Explanation

14. Erased number on metal can be restored by:

  1. Rubbing
  2. Filing
  3. Steaming
  4. Chemical etching

Answer and Explanation

15. Mechanical erasures can be deciphered by the following method:

  1. Ammonium sulphide
  2. Ordinary photography
  3. Photography in reflected light
  4. Dyes


Jump to the index page of the Forensic Ballistic MCQs.

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