NC locksmith exam section 7:
Guaranteed Success Questions and
A
Answers 2024
VI
Bitting - ANSWER n. 1. the number(s) which represent(s) the dimensions of the key
TU
2. the actual cut(s) or combination of a
key
Bitting list - ANSWER A listing of all key combinations used within a system. The
IS
combinations are usually arranged in order of the blind code, direct code, and/or key
symbol.
M
Block Master - ANSWER the one pin master for all combinations listed as a block in
the standard progression format
O
Build-up pin - ANSWER the additional element of a pin stack required to allow
operation at different shear lines in a cylinder
A
Change key - ANSWER 1. A key which operates only one cylinder or a group of
keyed alike cylinders in a keying system. 2. Any device that is used to mechanically or
N
electronically allow resetting of a certain key or combination lock. see also "reset key"#1
JP
Combination - ANSWER the groups of numbers which represent the bitting of a key
and/or the tumblers of a lock or cylinder
Five pin master key - ANSWER a master key for all combinations obtained by
progressing five bitting positions
Four column progression - ANSWER a process wherein key bittings are obtained by
using the cut possibilities in four columns of the key bitting array.
, Four pin master key - ANSWER a master key for all combinations obtained by
progressing four bitting positions.
Grand Master Key (GMK) - ANSWER the which operates two or more separate
groups of locks, which each operated by a different master key.
Grand Master Key System - ANSWER a master key system which has exactly three
levels of keying.
A
Great Grand Master Key (GGMK) - ANSWER a key which operates two or more
separate groups of locks which are each operated by different grand master key
VI
Great Grand Master Key System - ANSWER a master key system that has exactly
four levels of keying.
TU
Great Great Grand Master Key (GGGMK) - ANSWER the key which operates two or
more separate groups of locks which are operated by different great grand master keys.
IS
Great Great Grand Master Key System - ANSWER a master key system which has
five or more levels of keying.
Hardware Schedule - ANSWER a listing of the door hardware used on a particular
M
job it includes the types of hardware, manufacturers, locations, finishes, and sizes. It
should include a keying schedule specifying how each locking device is to by keyed.
O
Horizontal Group Master Key - ANSWER the two pin master key for all
combinations listed in all blocks in a line across a page in a standard progression
A
format.
N
Incidental Master Key - ANSWER a key cut to an unplanned shear line created
when the cylinders is combinated to the top master key and a change key.
JP
Key Bitting Array - ANSWER a matrix (graphic) display of all possible bittings for
change keys and master keys as related to the top master key.
Key Symbol - ANSWER a designation used for a key combination in the standard
key coding system, e.g. A, AA, AA1, etc.
Guaranteed Success Questions and
A
Answers 2024
VI
Bitting - ANSWER n. 1. the number(s) which represent(s) the dimensions of the key
TU
2. the actual cut(s) or combination of a
key
Bitting list - ANSWER A listing of all key combinations used within a system. The
IS
combinations are usually arranged in order of the blind code, direct code, and/or key
symbol.
M
Block Master - ANSWER the one pin master for all combinations listed as a block in
the standard progression format
O
Build-up pin - ANSWER the additional element of a pin stack required to allow
operation at different shear lines in a cylinder
A
Change key - ANSWER 1. A key which operates only one cylinder or a group of
keyed alike cylinders in a keying system. 2. Any device that is used to mechanically or
N
electronically allow resetting of a certain key or combination lock. see also "reset key"#1
JP
Combination - ANSWER the groups of numbers which represent the bitting of a key
and/or the tumblers of a lock or cylinder
Five pin master key - ANSWER a master key for all combinations obtained by
progressing five bitting positions
Four column progression - ANSWER a process wherein key bittings are obtained by
using the cut possibilities in four columns of the key bitting array.
, Four pin master key - ANSWER a master key for all combinations obtained by
progressing four bitting positions.
Grand Master Key (GMK) - ANSWER the which operates two or more separate
groups of locks, which each operated by a different master key.
Grand Master Key System - ANSWER a master key system which has exactly three
levels of keying.
A
Great Grand Master Key (GGMK) - ANSWER a key which operates two or more
separate groups of locks which are each operated by different grand master key
VI
Great Grand Master Key System - ANSWER a master key system that has exactly
four levels of keying.
TU
Great Great Grand Master Key (GGGMK) - ANSWER the key which operates two or
more separate groups of locks which are operated by different great grand master keys.
IS
Great Great Grand Master Key System - ANSWER a master key system which has
five or more levels of keying.
Hardware Schedule - ANSWER a listing of the door hardware used on a particular
M
job it includes the types of hardware, manufacturers, locations, finishes, and sizes. It
should include a keying schedule specifying how each locking device is to by keyed.
O
Horizontal Group Master Key - ANSWER the two pin master key for all
combinations listed in all blocks in a line across a page in a standard progression
A
format.
N
Incidental Master Key - ANSWER a key cut to an unplanned shear line created
when the cylinders is combinated to the top master key and a change key.
JP
Key Bitting Array - ANSWER a matrix (graphic) display of all possible bittings for
change keys and master keys as related to the top master key.
Key Symbol - ANSWER a designation used for a key combination in the standard
key coding system, e.g. A, AA, AA1, etc.
