North Carolina Practice Locksmith Exam 2025 Questions and Answers

North Carolina Practice Locksmith
Exam 2025 Questions and Answers


n. 1. the number(s) which represent(s) the dimensions of the key

2. the actual cut(s) or combination of a

key - --CORRECT ANSWER--Bitting

n. a designation, unrelated to the bitting, assigned to a particular key combination

for future reference when additional keys or cylinders may be needed - --

CORRECT ANSWER--Blind Code

n. a hand held key bitting punch, often incorporating a trigger-like handle - --

CORRECT ANSWER--Clipper

n. 1. a designation assigned to a particular key combination for reference when

additional keys or cylinders may be needed. See also, "blind code", "direct code",

and "key symbol",

2. a standard for Life Safety, structural integrity, fire safety, etc., either incorporated

into the statutes of a given jurisdiction, or a model standard - --CORRECT

ANSWER--Code




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,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 - --CORRECT

ANSWER--Code Key

n. a code key which conforms to the lock manufacturer's specifications - --

CORRECT ANSWER--Code Original Key

n. the group of numbers which represent the bitting of a key and/or the tumblers

of a lock or cylinder - --CORRECT ANSWER--Combination

n. the bottom of a key cut - --CORRECT ANSWER--Cut Root

n. the shape of the bottom of a key cut. It may have a flat or radius of a specific

dimension, or be a perfect

"V - --CORRECT ANSWER--Cut Root Shape

n. a set of keys used to make a code original key on a key duplicating machine to a

lock manufacturer's given set of key bitting specifications. Each key is cut with the

correct spacing to one depth only in all bitting positions, with one key for each

depth. - --CORRECT ANSWER--Depth Key Set

n. a series of blind codes and bittings which are directly related to those of another

bitting list - --CORRECT ANSWER--Derived Series

n. a designation assigned to a particular key which includes the actual combination

of the key - --CORRECT ANSWER--Direct Code




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,n. the dimension obtained by adding the root 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 same as the actual plug diameter. - --CORRECT ANSWER--

Effective Plug Diameter

n. the maximum allowable difference between adjacent cut depths - --CORRECT

ANSWER--Maximum Adjacent Cut Specification

abb. maximum adjacent cut specification - --CORRECT ANSWER--"MACS"

n. the dimension from the bottom of a cut on a key to the bottom of the blade - --

CORRECT ANSWER--Root Depth

n. a location in a cylinder at which specific tumbler surfaces must be aligned,

removing obstruction(s) which prevented the plug from moving - --CORRECT

ANSWER--Shear Line

n. the dimensions from the stop to the center of the first cut and/or to the centers

of successive cuts - --CORRECT ANSWER--Spacing

n. the part of a key from which all cuts are indexed and which determines how far

the key enters the keyway - --CORRECT 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 - --CORRECT ANSWER--Bible




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, 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 - --CORRECT ANSWER--Broach

n. 1. a lock or cylinder component which transfers the rotational motion of a key

or cylinder plug to the

bolt works of a lock 2. the bolt of a cam lock - --CORRECT ANSWER--CAM

n. any cavity in a cylinder plug and/or shell which houses the tumblers - --

CORRECT ANSWER--Chamber

n. a keyway which has been enlarged to accept more than one key section, often

key sections of more

than one manufacturer - --CORRECT 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 - --CORRECT 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




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