glocks
A _____ is a handheld firearm.
Pistol
____ uses shell ammunition that contains numerous ball-shaped projectiles.
Shotgun
The microscopic drill marks left on the barrels inner surface are randomly irregular and make each barrel ____.
Unique.
A _______ is any impression, cut, gouge, or abrasion caused by a fool coming into contact with another object
Toolmark
True or False:
Needle nose locking pliers have shorter jaws than standard locking pliers.
False.
A firearm with a clip-fed mechanism that fires repeatedly and for as long as the trigger is held down.
A)revolver
B) fully-automatic
C) semiautomatic
B) Fully-automatic
True or False:
The higher the gauge number, the larger the barrels diameter.
False.
True or False:
The barrels inner surface leaves its markings on any bullet that passes through it
True
Define toolmark identification.
A discipline of forensic science which has as its primary concern to determine if a toolmark was produced by a particular tool.
Why are slip joint pliers called adjustable pliers?
They can be opened to two different widths.
What is a revolver?
A revolver is a pistol with a revolving cylinder
The primer ignites the ___
The powder
Fill in the blank:
Barrels are manufactured with spiral grooves known as ___
Rifling
True or False:
A tool is an object used to gain mechanical disadvantage .
false
Which pliers are commonly called “channel locks”?
Tongue and groove pliers.
True or False:
A rifle is a firearm that has a short barrel.
false
Impressions found on the weapon and markings found on the bullet are used by forensic scientist for examination and _____
Comparison .
he original bore left between the grooves are called ____
Lands
____ are marks produced by the random imperfections or irregularities of tool surfaces.
Individual characteristics
True or False:
Diagonal cutters are designed for cutting metal.
True.
____ is the diameter of the shotgun barrel.
The gauge