1|Page
NC Locksmith Licensing Exam||Verified Questions
with Correct Answers and explanations LATEST .pdf
n. the dimensions from the stop to the center of the first
cut and/or to the centers of successive cuts - Answer-
Spacing
n. the part of a key from which all cuts are indexed and
which determines how far the key enters the keyway -
Answer-Stop (of a key)
n. that portion of the cylinder shell which normally houses
the pin chambers, especially those of a key-inknob
cylinder or certain rim cylinders - Answer-Bible
n. 1. a tool used to cut the keyway into the cylinder plug 2.
v. to cut the keyway into a cylinder plug with a
broach - Answer-Broach
n. 1. a lock or cylinder component which transfers the
rotational motion of a key or cylinder plug to the
,2|Page
bolt works of a lock 2. the bolt of a cam lock - Answer-
CAM
n. any cavity in a cylinder plug and/or shell which houses
the tumblers - Answer-Chamber
n. a keyway which has been enlarged to accept more than
one key section, often key sections of more
than one manufacturer - Answer-Composite Keyway
n. 1. a flat tumbler which must be drawn into the cylinder
plug by the proper key so that none of its
extremities extends into the shell 2. a flat, usually
rectangular tumbler with a gate which must be aligned
with a sidebar by the proper key - Answer-Disc Tumbler
n. a set of top pins of different lengths. Usage is based on
the height of the rest of the pin stack, in order
to achieve a uniform pin stack height. See also
"compensate drivers" - Answer-Graduated Drivers
,3|Page
n. a usually uniform increase or decrease in the
successive depths of a key cut which must be matched
by a corresponding change in the tumblers - Answer-
Increment
n. a pin tumbler cylinder with a diameter of 2.0", whose
pins, springs, key, etc. may also be proportionally
increased in size. It is frequently used in prison locks -
Answer-Mogul Cylinder
n. a threaded cylinder typically used in mortise locks of
American manufacture - Answer-Mortise Cylinder
n. a pin tumbler, usually a top pin, which resembles a
mushroom. It is typically used to increase pick
resistance - Answer-Mushroom Pin
adj. 1. of or pertaining to a keyway with one or more wards
on each side projecting beyond the vertical
center line of the keyway to hinder picking 2. of or
pertaining to a key blank made to enter such a keyway -
Answer-Paracentric
, 4|Page
n. a mortise cylinder of 3/4" diameter - Answer-Peanut
Cylinder
n. the corresponding hole drilled into the cylinder shell
and/or plug to accept the pin(s) and spring - Answer-Pin
Chamber
n. all the tumblers in a given pin chamber, see also"pin
stack height" - Answer-Pin Stack
n. the measurement of a pin stack, often expressed in
units of the lock manufacturer's increment or as an actual
dimension - Answer-Pin Stack Height
n. the part of a cylinder which contains the keyway, with
tumbler chambers usually corresponding to those in the
cylinder shell - Answer-Plug
n. a tool used to allow removal of the cylinder plug while
retaining the top pins, springs, and/or other
components within the shell - Answer-Plug Follower
NC Locksmith Licensing Exam||Verified Questions
with Correct Answers and explanations LATEST .pdf
n. the dimensions from the stop to the center of the first
cut and/or to the centers of successive cuts - Answer-
Spacing
n. the part of a key from which all cuts are indexed and
which determines how far the key enters the keyway -
Answer-Stop (of a key)
n. that portion of the cylinder shell which normally houses
the pin chambers, especially those of a key-inknob
cylinder or certain rim cylinders - Answer-Bible
n. 1. a tool used to cut the keyway into the cylinder plug 2.
v. to cut the keyway into a cylinder plug with a
broach - Answer-Broach
n. 1. a lock or cylinder component which transfers the
rotational motion of a key or cylinder plug to the
,2|Page
bolt works of a lock 2. the bolt of a cam lock - Answer-
CAM
n. any cavity in a cylinder plug and/or shell which houses
the tumblers - Answer-Chamber
n. a keyway which has been enlarged to accept more than
one key section, often key sections of more
than one manufacturer - Answer-Composite Keyway
n. 1. a flat tumbler which must be drawn into the cylinder
plug by the proper key so that none of its
extremities extends into the shell 2. a flat, usually
rectangular tumbler with a gate which must be aligned
with a sidebar by the proper key - Answer-Disc Tumbler
n. a set of top pins of different lengths. Usage is based on
the height of the rest of the pin stack, in order
to achieve a uniform pin stack height. See also
"compensate drivers" - Answer-Graduated Drivers
,3|Page
n. a usually uniform increase or decrease in the
successive depths of a key cut which must be matched
by a corresponding change in the tumblers - Answer-
Increment
n. a pin tumbler cylinder with a diameter of 2.0", whose
pins, springs, key, etc. may also be proportionally
increased in size. It is frequently used in prison locks -
Answer-Mogul Cylinder
n. a threaded cylinder typically used in mortise locks of
American manufacture - Answer-Mortise Cylinder
n. a pin tumbler, usually a top pin, which resembles a
mushroom. It is typically used to increase pick
resistance - Answer-Mushroom Pin
adj. 1. of or pertaining to a keyway with one or more wards
on each side projecting beyond the vertical
center line of the keyway to hinder picking 2. of or
pertaining to a key blank made to enter such a keyway -
Answer-Paracentric
, 4|Page
n. a mortise cylinder of 3/4" diameter - Answer-Peanut
Cylinder
n. the corresponding hole drilled into the cylinder shell
and/or plug to accept the pin(s) and spring - Answer-Pin
Chamber
n. all the tumblers in a given pin chamber, see also"pin
stack height" - Answer-Pin Stack
n. the measurement of a pin stack, often expressed in
units of the lock manufacturer's increment or as an actual
dimension - Answer-Pin Stack Height
n. the part of a cylinder which contains the keyway, with
tumbler chambers usually corresponding to those in the
cylinder shell - Answer-Plug
n. a tool used to allow removal of the cylinder plug while
retaining the top pins, springs, and/or other
components within the shell - Answer-Plug Follower
