FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

FORENSICS CH. 17 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -33 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: ejector marks

Answer:

scratches on a cartridge produced by removing from firing chamber

Question 2: grooves

Answer:

indentations or depressions

Question 3: shell casing

Answer:

metal (usually brass) housing for the gunpowder of a firearm

Question 4: headstamp

Answer:

bottom of cartridge casing identifies caliber and manufacturer

Question 5: ballistics

Answer:

study of projectiles (bullets) and firearms

Question 6: trajectory

Answer:

path of flight of a projectile

Question 7: bullet

Answer:

projectile that is released when a firearm is discharged

Question 8: pistol

Answer:

handheld firearm (one hand)

Question 9: semiautomatic

Answer:

fires only 1 bullet per pull of trigger

Question 10: rifle

Answer:

firearm with a long barrel

Question 11: NIBIS

Answer:

National Integrated Bullet Identification System

Question 12: extractor marks

Answer:

scratches produces by placing cartridge in firing chamber

Question 13: anvil and flash hole

Answer:

provide mechanism for delivering explosive charge from primer powder

Question 14: gunshot residue (GSR)

Answer:

tiny particles expelled from a firearm when the firearm is fired

Question 15: match lock weapons

Answer:

had wicks to carry a flame to gunpowder

Question 16: saltpeter

Answer:

potassium nitrate

Question 17: breech

Answer:

end of the barrel attached to the firing mechanism of a firearm where the cartridge is loaded and unloaded

Question 18: lands

Answer:

ridges or raised areas

Question 19: fully automatic

Answer:

fire repeatedly as long as trigger is pressed

Question 20: primer powder

Answer:

used to ignite the gunpowder

Question 21: firearm

Answer:

weapon capable of firing a projectile using a confined explosive as a propellent

Question 22: barrel

Answer:

long metal tube that guides projectile out of firearm

Question 23: cartridge

Answer:

case that holds a bullet, primer powder and gunpowder

Question 24: breechblock markings

Answer:

markings produced as the cartridge casing moves backward and strikes the breechblock.

Question 25: rifling

Answer:

spiral pattern of lands and grooves in the barrel of a firearm

Question 26: caliber

Answer:

measure of the inside diameter of a firearm barrel

Question 27: percussion weapons

Answer:

use of cartridge and case

Question 28: revolver

Answer:

holds 6 cartridges in the cylinder