Quiz #1 for Final Exam Flashcards
(26 cards)
Class characteristics can identify an object to the exclusion of all others:
false
During a Level 1 analysis, _____ characteristics are used.
class
During a level 1 analysis, eliminations ___ occur.
can
Pellet guns, bb guns, airsoft pistols, and paint guns are all firearms
false
The nominal diameter of the bore (in inches or mm) refers to what term?
if the bore is the hollow interior of the barrel
Caliber of the firearm
3 possible conclusions derived in firearm & tool mark analysis:
identification, elimination, inconclusive
Tool marks are either ______(______) or ______ and may be both
impressions, indentions/striations
_____ is the working _______ of a firearm:
may be broken down into action types (bolt, ____ ,____)
action/mechanism/
lever, pump
Two types of rifling:
conventional and polygonal
What is a tool?
anything used to gain a mechanical advantage
the container that holds all other components that make up a live round of ammunition:
cartridge case
A firearm is defined under Federal statute, ___ __
title 18
_____ do not exhibit rifling in the barrel.
shotguns
The theory and foundation of tool mark analysis is based on:
uniqueness
The effect that creates a reaction due to ____ and ____ within a firearm=
pressure and force=recoil
Analysis should not be conducted if a tool mark is submitted without a tool
false
What is the firearm type that requires the shooter to manually load the ______, unload the ____, manually extract the ____ ____, and manually eject the fired casing w/o a bolt or a lever?
revolver
cylinder/cylinder
cartridge cases
Orientation of the ________ in the firearm is not important with pinfire cartridges.
false/
cartridge
Level _ analysis requires examination of ______ characteristics at high _______.
2/ individual/magnification
____ action revolver
You have to ______ ____ the weapon: ____ the trigger will release the ___ but you must pull the ___ back manually.
Single manually/ pulling/ hammer/
_____ action revolver: pulling the _____ does the work for you. It _____ the hammer and _______, allowing the person to ____ until it runs out of ammunition.
double/ trigger/ cocks/releases/shoot
Two major advances in design that allowed for the development of modern firearms:
The _____/______ system AND _______.
The rimfire/centerfire system and rifling
_____ or ___ barrels brought an advanced mechanism to the ____ ____ in flight. The _____ and ____ increased and became more ____.
rifling/rifled/bullets stability/accuracy and velocity/accurate
What system(s) allowed for the cartridge to hold or contain the ____ ___. They are self-contained, ___ loading cartridges.
priming compound/breech
centerfire/rimfire system
