SDI Intro to Firearms Questions and Answers
According to the course text, one of the first hammers purchased by a gunsmith should
be what type? - ANSWER-Non-Maring
According to the course text, the most common detachable magazine design includes: -
ANSWER-Drum, Rotary, Box, Helical
According to the Introduction Firearms Technology course text, what is the fourth safety
rule? - ANSWER-Know your target and what is beyond it
Action types that include a tubular magazine below the barrel rely upon what to feed the
round into the chamber? - ANSWER-Lift or elevator
All operations producing high volumes of air contaminants should be? - ANSWER-
Isolated and further divided into subgroups to aid in containment
All types of rifling include both a "land" and a "groove" to impart spin on the projectile
upon leaving the barrel. True or False: - ANSWER-False
Along with minimum tools, a beginning gunsmith or hobbyist must have a solid work
bench and? - ANSWER-Bench Vise
At the end of WWII, the Soviet Union discarded the use of brass in favor of ______
expensive but _______ practical materials. - ANSWER-less, more
Before a gunsmith can work on firearms for others - in any capacity - he or she must
first have a(n)? - ANSWER-Federal Firearms License
Business & ATF transaction & file records should be stored in? - ANSWER-A dedicated
business records area in the gun shop
During the cocking cycle of operation, the sear's role is to ______ until the trigger
moves the sear from its engagement? - ANSWER-Arrest the travel of hammer or striker
Dynamic ejectors are typically spring driven and live in the bolt or breech face of the
firearm. True or False - ANSWER-True
Gain compliance through pain and discomfort is what kind of force? - ANSWER-Less
than lethal
How does a detachable cylinder attach to and rotate in the firearm? - ANSWER-By
attaching to short round splines
, How many lead balls, equal in diameter to the bore of a 20 gauge shotgun, would be
required to make up a pound of lead, according to the accepted measurement of
gauge? - ANSWER-20
If a customer enters your facility and discusses the type of round that was used to kill
their deer, would you consider this time spent, time invested or neither? - ANSWER-
Time Spent
If a machine is in good working condition, making adjustments and taking
measurements while the machine is running is completely acceptable. True or False? -
ANSWER-False
If the firearm is on "safe" and the chamber is empty, you can point the weapon in any
direction you want. True or False? - ANSWER-False
In general, a work bench should be ______ wide and from ________ to _______ long,
according to your course text? - ANSWER-30 inches, 5 feet, 12 feet
In the metric system for naming cartridges, such as 9mm x 19, the first number
represents _______ and the second _______? - ANSWER-projectile diameter, case
length
Magazines, regardless of type, design, or model, lock the action open after the
magazine is empty. True or False? - ANSWER-False
Often with the _______, only the trigger and possibly some linkage will move until the
system engages the sear surfaces of the trigger and hammer. - ANSWER-Take Up
Part of a barrel's chamber will contain a _________ that allows the correct spacing of
the cartridge. - ANSWER-Shoulder
Permanent, Incapacitating, or deadly injury indicates what kind of force? - ANSWER-
Lethal
Revolvers lock when what engages a notch in the cylinder? - ANSWER-Cylinder stop
Running electrical, setting up an inspection with your local office, and remodeling are all
considerations for what kind of gunsmithing shop? - ANSWER-Outbuilding
Safety and cost-effective is what kind of force? - ANSWER-Training
The "casket design" should never be used for rimless or rebated rim cartridges. True or
False - ANSWER-False
According to the course text, one of the first hammers purchased by a gunsmith should
be what type? - ANSWER-Non-Maring
According to the course text, the most common detachable magazine design includes: -
ANSWER-Drum, Rotary, Box, Helical
According to the Introduction Firearms Technology course text, what is the fourth safety
rule? - ANSWER-Know your target and what is beyond it
Action types that include a tubular magazine below the barrel rely upon what to feed the
round into the chamber? - ANSWER-Lift or elevator
All operations producing high volumes of air contaminants should be? - ANSWER-
Isolated and further divided into subgroups to aid in containment
All types of rifling include both a "land" and a "groove" to impart spin on the projectile
upon leaving the barrel. True or False: - ANSWER-False
Along with minimum tools, a beginning gunsmith or hobbyist must have a solid work
bench and? - ANSWER-Bench Vise
At the end of WWII, the Soviet Union discarded the use of brass in favor of ______
expensive but _______ practical materials. - ANSWER-less, more
Before a gunsmith can work on firearms for others - in any capacity - he or she must
first have a(n)? - ANSWER-Federal Firearms License
Business & ATF transaction & file records should be stored in? - ANSWER-A dedicated
business records area in the gun shop
During the cocking cycle of operation, the sear's role is to ______ until the trigger
moves the sear from its engagement? - ANSWER-Arrest the travel of hammer or striker
Dynamic ejectors are typically spring driven and live in the bolt or breech face of the
firearm. True or False - ANSWER-True
Gain compliance through pain and discomfort is what kind of force? - ANSWER-Less
than lethal
How does a detachable cylinder attach to and rotate in the firearm? - ANSWER-By
attaching to short round splines
, How many lead balls, equal in diameter to the bore of a 20 gauge shotgun, would be
required to make up a pound of lead, according to the accepted measurement of
gauge? - ANSWER-20
If a customer enters your facility and discusses the type of round that was used to kill
their deer, would you consider this time spent, time invested or neither? - ANSWER-
Time Spent
If a machine is in good working condition, making adjustments and taking
measurements while the machine is running is completely acceptable. True or False? -
ANSWER-False
If the firearm is on "safe" and the chamber is empty, you can point the weapon in any
direction you want. True or False? - ANSWER-False
In general, a work bench should be ______ wide and from ________ to _______ long,
according to your course text? - ANSWER-30 inches, 5 feet, 12 feet
In the metric system for naming cartridges, such as 9mm x 19, the first number
represents _______ and the second _______? - ANSWER-projectile diameter, case
length
Magazines, regardless of type, design, or model, lock the action open after the
magazine is empty. True or False? - ANSWER-False
Often with the _______, only the trigger and possibly some linkage will move until the
system engages the sear surfaces of the trigger and hammer. - ANSWER-Take Up
Part of a barrel's chamber will contain a _________ that allows the correct spacing of
the cartridge. - ANSWER-Shoulder
Permanent, Incapacitating, or deadly injury indicates what kind of force? - ANSWER-
Lethal
Revolvers lock when what engages a notch in the cylinder? - ANSWER-Cylinder stop
Running electrical, setting up an inspection with your local office, and remodeling are all
considerations for what kind of gunsmithing shop? - ANSWER-Outbuilding
Safety and cost-effective is what kind of force? - ANSWER-Training
The "casket design" should never be used for rimless or rebated rim cartridges. True or
False - ANSWER-False
