True/False
Screwdrivers are designed to impact torque on a screw?
True
________ Any impression cut, gouge, and bevel thickness are what type of characteristics?
Tool Marks
Tool mark identification - determine if a _______ was produced by a particular tool.
Tool mark
What type of characteristics are blade width, blade thickness and bevel thickness?
Class
The higher the gauge number, the ______ the barrel's diameter.
Smaller
Jaws are longer on locking Pliers than, needle nose locking Pliers?
True
_______a trade name for the type of tool.
Vise Grips
Careful examination an impression that can reveal important _________________.
Class Characteristics
What is semiautomatic?
A pistol with a clip-fed mechanism that fires one shot per pull of the trigger.
whats an magazine?
the mechanism that holds the bullets
Roof top shaping of the round surface?
False, only cut surface
_____a pistol with a revolving cylinder
Revolver
Tool- a object used gain ________ advantage.
Mechanical
what type of objects are slip joint pliers, locking pliers, and Bolt cutters?
Tools
whats is Ejector?
the mechanism on a firearm that throws the cartridge or fired case from the firearm.
Used to strip insulation from wires when ONLY opened partially around the wire.
False , only when closed
______ - a handheld firearm
a pistol
Pulling the _____ releases the weapon's firing __, causing it to strike the_______-the primer ignites the powder.
Trigger, Pin, and Primer
what is gauge?
The diameter of the shotgun barrel.
What is Breech block?
the cartridge case, travelling rearward, is impressed with the surface markings
A pistol has a long barrel?
False, only a rifle has a long barrel
___________- Marks produced by random imperfections of tools surface.
Individual Characteristics
The shell is ________ with marking by its contact with the metal surfaces of the weapon's firing and loading mechanisms.
Impressed
What is choke?
the narrowing of a smooth barrel can concentrate the shot when fired.
Semiautomatic is a firearm with a clip fed mechanism that fires repeatedly
False