North Carolina Practice Locksmith Exam Questions and
Answers Graded A+
n. 1. the number(s) which represent(s) the
dimensions of the key n. the bottom of a key cut - ANSWER -Cut
2. the actual cut(s) or combination of a Root
key - ANSWER -Bitting
n. the shape of the bottom of a key cut. It may
n. a designation, unrelated to the bitting, have a flat or radius of a specific dimension, or
assigned to a particular key combination for be a perfect
future reference when additional keys or "V - ANSWER -Cut Root Shape
cylinders may be needed - ANSWER -Blind
Code
n. a set of keys used to make a code original key
on a key duplicating machine to a lock
n. a hand held key bitting punch, often manufacturer's given set of key bitting
incorporating a trigger-like handle - specifications. Each key is cut with the correct
ANSWER -Clipper spacing to one depth only in all bitting positions,
with one key for each depth. - ANSWER -
Depth Key Set
n. 1. a designation assigned to a particular key
combination for reference when additional keys
or cylinders may be needed. See also, "blind n. a series of blind codes and bittings which are
code", "direct code", and "key symbol", directly related to those of another bitting list -
2. a standard for Life Safety, structural integrity, ANSWER -Derived Series
fire safety, etc., either incorporated into the
statutes of a given jurisdiction, or a model
standard - ANSWER -Code n. a designation assigned to a particular key
which includes the actual combination of the key
- ANSWER -Direct Code
n. a key cut to a specific code rather than
duplicated from a pattern key. it may or may not
conform to the lock manufacturer's specifications n. the dimension obtained by adding the root
- ANSWER -Code Key depth of a key cut to the length of its
corresponding bottom pin which establishes a
perfect shear line. This will not necessarily be the
n. a code key which conforms to the lock same as the actual plug diameter. -
manufacturer's specifications - ANSWER - ANSWER -Effective Plug Diameter
Code Original Key
n. the maximum allowable difference between
n. the group of numbers which represent the adjacent cut depths - ANSWER -Maximum
bitting of a key and/or the tumblers of a lock or Adjacent Cut Specification
cylinder - ANSWER -Combination
,North Carolina Practice Locksmith Exam Questions and
Answers Graded A+
abb. maximum adjacent cut specification - ANSWER -CAM
ANSWER -"MACS"
n. any cavity in a cylinder plug and/or shell which
n. the dimension from the bottom of a cut on a houses the tumblers - ANSWER -Chamber
key to the bottom of the blade - ANSWER -
Root Depth
n. a keyway which has been enlarged to accept
more than one key section, often key sections of
n. a location in a cylinder at which specific more
tumbler surfaces must be aligned, removing than one manufacturer - ANSWER -
obstruction(s) which prevented the plug from Composite Keyway
moving - ANSWER -Shear Line
n. 1. a flat tumbler which must be drawn into the
n. the dimensions from the stop to the center of cylinder plug by the proper key so that none of its
the first cut and/or to the centers of successive extremities extends into the shell 2. a flat, usually
cuts - ANSWER -Spacing rectangular tumbler with a gate which must be
aligned
with a sidebar by the proper key -
n. the part of a key from which all cuts are ANSWER -Disc Tumbler
indexed and which determines how far the key
enters the keyway - ANSWER -Stop (of a
key) n. a set of top pins of different lengths. Usage is
based on the height of the rest of the pin stack, in
order
n. that portion of the cylinder shell which normally to achieve a uniform pin stack height. See also
houses the pin chambers, especially those of a "compensate drivers" - ANSWER -
key-inknob Graduated Drivers
cylinder or certain rim cylinders -
ANSWER -Bible
n. a usually uniform increase or decrease in the
successive depths of a key cut which must be
n. 1. a tool used to cut the keyway into the matched
cylinder plug 2. v. to cut the keyway into a by a corresponding change in the tumblers -
cylinder plug with a ANSWER -Increment
broach - ANSWER -Broach
n. a pin tumbler cylinder with a diameter of 2.0",
n. 1. a lock or cylinder component which whose pins, springs, key, etc. may also be
transfers the rotational motion of a key or proportionally
cylinder plug to the increased in size. It is frequently used in prison
bolt works of a lock 2. the bolt of a cam lock - locks - ANSWER -Mogul Cylinder
, North Carolina Practice Locksmith Exam Questions and
Answers Graded A+
corresponding to those in the cylinder shell -
ANSWER -Plug
n. a threaded cylinder typically used in mortise
locks of American manufacture -
ANSWER -Mortise Cylinder n. a tool used to allow removal of the cylinder
plug while retaining the top pins, springs, and/or
other
n. a pin tumbler, usually a top pin, which components within the shell - ANSWER -
resembles a mushroom. It is typically used to Plug Follower
increase pick
resistance - ANSWER -Mushroom Pin
n. a holding fixture which assists in the loading of
tumblers into a cylinder plug - ANSWER -
adj. 1. of or pertaining to a keyway with one or Plug Holder
more wards on each side projecting beyond the
vertical
center line of the keyway to hinder picking 2. of n. a cylinder with a usually uniform cross section,
or pertaining to a key blank made to enter such a which slides into place and usually is held by a
keyway - ANSWER -Paracentric mounting screw. It is typically used in mortise
locks of non-U.S. manufacture. -
ANSWER -Profile Cylinder
n. a mortise cylinder of 3/4" diameter -
ANSWER -Peanut Cylinder
n. a component which is clipped, staked, or
driven in place to maintain the working
n. the corresponding hole drilled into the cylinder relationship of other components -
shell and/or plug to accept the pin(s) and spring - ANSWER -Retainer
ANSWER -Pin Chamber
n. a cylinder typically used with surface applied
n. all the tumblers in a given pin chamber, see locks and attached with a back plate and
also"pin stack height" - ANSWER -Pin machine
Stack screws. It has a tailpiece to actuate the lock
mechanism - ANSWER -Rim Cylinder
n. the measurement of a pin stack, often
expressed in units of the lock manufacturer's n. a thin piece of metal which is usually crimped
increment or as an actual dimension - or spun onto the front of a cylinder. It determines
ANSWER -Pin Stack Height the
cylinder's finish and may also serve as the plug
retainer. - ANSWER -Scalp
n. the part of a cylinder which contains the
keyway, with tumbler chambers usually
Answers Graded A+
n. 1. the number(s) which represent(s) the
dimensions of the key n. the bottom of a key cut - ANSWER -Cut
2. the actual cut(s) or combination of a Root
key - ANSWER -Bitting
n. the shape of the bottom of a key cut. It may
n. a designation, unrelated to the bitting, have a flat or radius of a specific dimension, or
assigned to a particular key combination for be a perfect
future reference when additional keys or "V - ANSWER -Cut Root Shape
cylinders may be needed - ANSWER -Blind
Code
n. a set of keys used to make a code original key
on a key duplicating machine to a lock
n. a hand held key bitting punch, often manufacturer's given set of key bitting
incorporating a trigger-like handle - specifications. Each key is cut with the correct
ANSWER -Clipper spacing to one depth only in all bitting positions,
with one key for each depth. - ANSWER -
Depth Key Set
n. 1. a designation assigned to a particular key
combination for reference when additional keys
or cylinders may be needed. See also, "blind n. a series of blind codes and bittings which are
code", "direct code", and "key symbol", directly related to those of another bitting list -
2. a standard for Life Safety, structural integrity, ANSWER -Derived Series
fire safety, etc., either incorporated into the
statutes of a given jurisdiction, or a model
standard - ANSWER -Code n. a designation assigned to a particular key
which includes the actual combination of the key
- ANSWER -Direct Code
n. a key cut to a specific code rather than
duplicated from a pattern key. it may or may not
conform to the lock manufacturer's specifications n. the dimension obtained by adding the root
- ANSWER -Code Key depth of a key cut to the length of its
corresponding bottom pin which establishes a
perfect shear line. This will not necessarily be the
n. a code key which conforms to the lock same as the actual plug diameter. -
manufacturer's specifications - ANSWER - ANSWER -Effective Plug Diameter
Code Original Key
n. the maximum allowable difference between
n. the group of numbers which represent the adjacent cut depths - ANSWER -Maximum
bitting of a key and/or the tumblers of a lock or Adjacent Cut Specification
cylinder - ANSWER -Combination
,North Carolina Practice Locksmith Exam Questions and
Answers Graded A+
abb. maximum adjacent cut specification - ANSWER -CAM
ANSWER -"MACS"
n. any cavity in a cylinder plug and/or shell which
n. the dimension from the bottom of a cut on a houses the tumblers - ANSWER -Chamber
key to the bottom of the blade - ANSWER -
Root Depth
n. a keyway which has been enlarged to accept
more than one key section, often key sections of
n. a location in a cylinder at which specific more
tumbler surfaces must be aligned, removing than one manufacturer - ANSWER -
obstruction(s) which prevented the plug from Composite Keyway
moving - ANSWER -Shear Line
n. 1. a flat tumbler which must be drawn into the
n. the dimensions from the stop to the center of cylinder plug by the proper key so that none of its
the first cut and/or to the centers of successive extremities extends into the shell 2. a flat, usually
cuts - ANSWER -Spacing rectangular tumbler with a gate which must be
aligned
with a sidebar by the proper key -
n. the part of a key from which all cuts are ANSWER -Disc Tumbler
indexed and which determines how far the key
enters the keyway - ANSWER -Stop (of a
key) n. a set of top pins of different lengths. Usage is
based on the height of the rest of the pin stack, in
order
n. that portion of the cylinder shell which normally to achieve a uniform pin stack height. See also
houses the pin chambers, especially those of a "compensate drivers" - ANSWER -
key-inknob Graduated Drivers
cylinder or certain rim cylinders -
ANSWER -Bible
n. a usually uniform increase or decrease in the
successive depths of a key cut which must be
n. 1. a tool used to cut the keyway into the matched
cylinder plug 2. v. to cut the keyway into a by a corresponding change in the tumblers -
cylinder plug with a ANSWER -Increment
broach - ANSWER -Broach
n. a pin tumbler cylinder with a diameter of 2.0",
n. 1. a lock or cylinder component which whose pins, springs, key, etc. may also be
transfers the rotational motion of a key or proportionally
cylinder plug to the increased in size. It is frequently used in prison
bolt works of a lock 2. the bolt of a cam lock - locks - ANSWER -Mogul Cylinder
, North Carolina Practice Locksmith Exam Questions and
Answers Graded A+
corresponding to those in the cylinder shell -
ANSWER -Plug
n. a threaded cylinder typically used in mortise
locks of American manufacture -
ANSWER -Mortise Cylinder n. a tool used to allow removal of the cylinder
plug while retaining the top pins, springs, and/or
other
n. a pin tumbler, usually a top pin, which components within the shell - ANSWER -
resembles a mushroom. It is typically used to Plug Follower
increase pick
resistance - ANSWER -Mushroom Pin
n. a holding fixture which assists in the loading of
tumblers into a cylinder plug - ANSWER -
adj. 1. of or pertaining to a keyway with one or Plug Holder
more wards on each side projecting beyond the
vertical
center line of the keyway to hinder picking 2. of n. a cylinder with a usually uniform cross section,
or pertaining to a key blank made to enter such a which slides into place and usually is held by a
keyway - ANSWER -Paracentric mounting screw. It is typically used in mortise
locks of non-U.S. manufacture. -
ANSWER -Profile Cylinder
n. a mortise cylinder of 3/4" diameter -
ANSWER -Peanut Cylinder
n. a component which is clipped, staked, or
driven in place to maintain the working
n. the corresponding hole drilled into the cylinder relationship of other components -
shell and/or plug to accept the pin(s) and spring - ANSWER -Retainer
ANSWER -Pin Chamber
n. a cylinder typically used with surface applied
n. all the tumblers in a given pin chamber, see locks and attached with a back plate and
also"pin stack height" - ANSWER -Pin machine
Stack screws. It has a tailpiece to actuate the lock
mechanism - ANSWER -Rim Cylinder
n. the measurement of a pin stack, often
expressed in units of the lock manufacturer's n. a thin piece of metal which is usually crimped
increment or as an actual dimension - or spun onto the front of a cylinder. It determines
ANSWER -Pin Stack Height the
cylinder's finish and may also serve as the plug
retainer. - ANSWER -Scalp
n. the part of a cylinder which contains the
keyway, with tumbler chambers usually
