Welcome to your Forensic Ballistic Quiz
3.
Who first developed the assault rifle?
6.
A cartridge case, say 6 x 55 R, which of the following is correct?
7.
Following are the steps in a blowback weapon mechanism:
(a) The fired cartridge pushes the breechblock backward.
(b) The compressed spring pushes the breechblock forward.
(c) The expended cartridge is extracted and ejected.
(d) The barrel and its breechblock recoil together for a long time.
(e) A fresh cartridge is loaded into the firing chamber.
Choose the correct option from the list:
8.
What happens if the chemical etching process is allowed to continue for too long?
12.
Almonds flakes with a clean hole by a bullet striking at an angle of:
13.
Boat tailing of a bullet becomes important when its velocity is:
16.
The purpose of a boat-tailed base in a bullet is:
17.
A firearm is in half-cock position. This position helps in :
20.
What happens to a bullet with a thin layer of copper when fired?
(a) The copper layer increases in thickness from rifling
(b) The copper layer readily flakes off
(c) The marks made by the rifling are taken with the flaked copper layer
(d) The bullet becomes harder and less flexible
Choose the correct option from the list:
23.
In 7.62 × 51 mm cartridge, the two figures represent:
24.
The role of an opacifier in a powder grain:
25.
Assertion and Reason Question:
Assertion (A): A hook cutter can cut two grooves of rifling at a time.
Reason (R): A hook cutter has cutting surfaces on both sides.