Forensic Ballistics Review Questions 10
1. The Total Residues resulting from the discharge of a firearm
including gunpowder and primer residues, metallic residues
from projectiles and fouling.
B. Smokeless Powder
C. Gunpowder Residues
D. Gunshot Residues
2. A device that strikes the firing pin or cartridge primer to
detonate the powder.
D. Firing Pin Impression
3. A Safety Device on some firearms which separates the
firing pin from the hammer except when the trigger is pulled.
A. Hammer Block
B. Trigger Guard
4. Numerals, Letters, and Symbols stamped into the head of a
cartridge case or shotshell case to identify the manufacture,
caliber, gauge, or give additional information.
B. Head Stamp
D. Metal Etching
5. A pattern of Marks produced by the random imperfections or
irregularities of tool surfaces.
A. Impressed Toolmark
B. Class Characteristics
C. Individual Characteristics
D. Striated Toolmark
6. The Way in which powder is ignited.
7. The Raised Portions between the grooves inside the barrel after
the spiral grooves are cut to produce the rifling.
8. A Device for storing cartridges in a repeating firearm for loading
into the chamber.
9. An Improved vesion of a standard cartridge that uses the same
caliber and bullet but has more power.
10. The End of the barrel out of which the bullet comes.
1. Modern Guns use primers that are rimfire or centerfire.
2. Rifling - are lands and grooves.
3. A Magazine is also referred to as a clip.
4. A Magnum generally has more powder and generally in a
longer cartridge case, giving the fired bullet more energy.
5. A Magnum shotgun loads refer to an individual amount of
shot pellets in the shell.