NC Locksmith Exam Section 1 Questions and Answers Fully Solved
Bitting - Answers The number(s) which represent(s) the dimensions of a key, the actual cut(s) or
combination of a key
Blind Code - Answers a designation, unrelated to the bitting, assigned to a particular key combination for
future reference when additional keys or cylinders may be needed
clipper - Answers a hand held key bitting punch, often incorporating a trigger-like handle
code - Answers 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
Code Key - Answers a key cut to a specific code rather than duplicated from a pattern key. It may or may
not conform to the lock manufacturers specifications
Code Original Key - Answers a code that conforms to the original lock manufacturers specifications
combination - Answers the group of numbers which represent the bitting of a key and/or the tumblers
of a lock or cylinder
cut root - Answers the bottom of a key cut
Cut root shape - Answers 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"
Depth key set - Answers a set of keys used to make a code original key on a key duplicating machine to a
lock manufacturers 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
Derived series - Answers a series of blind codes and bittings which are directly related to those of
another bitting list
Direct code - Answers a designation assigned to a particular key which includes the actual combination
of the key
Effective plug diameter - Answers the dimension obtained by adding the root depth of a key 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
Maximum Adjacent Cut Specification - Answers The maximum allowable difference between adjacent
cut depths. Abbreviated MACS
Root Depth - Answers The dimension from the bottom of a cut on a key to the bottom of the blade
Bitting - Answers The number(s) which represent(s) the dimensions of a key, the actual cut(s) or
combination of a key
Blind Code - Answers a designation, unrelated to the bitting, assigned to a particular key combination for
future reference when additional keys or cylinders may be needed
clipper - Answers a hand held key bitting punch, often incorporating a trigger-like handle
code - Answers 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
Code Key - Answers a key cut to a specific code rather than duplicated from a pattern key. It may or may
not conform to the lock manufacturers specifications
Code Original Key - Answers a code that conforms to the original lock manufacturers specifications
combination - Answers the group of numbers which represent the bitting of a key and/or the tumblers
of a lock or cylinder
cut root - Answers the bottom of a key cut
Cut root shape - Answers 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"
Depth key set - Answers a set of keys used to make a code original key on a key duplicating machine to a
lock manufacturers 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
Derived series - Answers a series of blind codes and bittings which are directly related to those of
another bitting list
Direct code - Answers a designation assigned to a particular key which includes the actual combination
of the key
Effective plug diameter - Answers the dimension obtained by adding the root depth of a key 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
Maximum Adjacent Cut Specification - Answers The maximum allowable difference between adjacent
cut depths. Abbreviated MACS
Root Depth - Answers The dimension from the bottom of a cut on a key to the bottom of the blade
