NC locksmith exam section 7 complete
questions and answers a+ graded 2025
Bitting CORRECT ANSWERS n. 1. the number(s) which represent(s) the dimensions of
the key 2. the actual cut(s) or combination of a
key
Bitting list CORRECT ANSWERS A listing of all key combinations used within a system.
The combinations are usually arranged in order of the blind code, direct code, and/or
key symbol.
Block Master CORRECT ANSWERS the one pin master for all combinations listed as a
block in the standard progression format
Build-up pin CORRECT ANSWERS the additional element of a pin stack required to
allow operation at different shear lines in a cylinder
Change key CORRECT ANSWERS 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 electronically allow resetting of a certain key or combination lock. see
also "reset key"#1
Combination CORRECT ANSWERS the groups of numbers which represent the bitting
of a key and/or the tumblers of a lock or cylinder
Five pin master key CORRECT ANSWERS a master key for all combinations obtained
by progressing five bitting positions
Four column progression CORRECT ANSWERS a process wherein key bittings are
obtained by using the cut possibilities in four columns of the key bitting array.
Four pin master key CORRECT ANSWERS a master key for all combinations obtained
by progressing four bitting positions.
Grand Master Key (GMK) CORRECT ANSWERS the which operates two or more
separate groups of locks, which each operated by a different master key.
Grand Master Key System CORRECT ANSWERS a master key system which has
exactly three levels of keying.
Great Grand Master Key (GGMK) CORRECT ANSWERS a key which operates two or
more separate groups of locks which are each operated by different grand master key
, Great Grand Master Key System CORRECT ANSWERS a master key system that has
exactly four levels of keying.
Great Great Grand Master Key (GGGMK) CORRECT ANSWERS the key which
operates two or more separate groups of locks which are operated by different great
grand master keys.
Great Great Grand Master Key System CORRECT ANSWERS a master key system
which has five or more levels of keying.
Hardware Schedule CORRECT ANSWERS a listing of the door hardware used on a
particular 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.
Horizontal Group Master Key CORRECT ANSWERS the two pin master key for all
combinations listed in all blocks in a line across a page in a standard progression
format.
Incidental Master Key CORRECT ANSWERS a key cut to an unplanned shear line
created when the cylinders is combinated to the top master key and a change key.
Key Bitting Array CORRECT ANSWERS a matrix (graphic) display of all possible
bittings for change keys and master keys as related to the top master key.
Key Symbol CORRECT ANSWERS a designation used for a key combination in the
standard key coding system, e.g. A, AA, AA1, etc.
Keying Schedule CORRECT ANSWERS a detailed specification of the keying system
listing how all cylinders are to be keyed and the quantities, markings, and shipping
instructions of all keys and/or cylinders to be provided.
Keying Symbol CORRECT ANSWERS a designation used for a lock or cylinder
combination in the standard key coding system, e.g. AA1, XAA1, XIX, etc.
Levels of Keying CORRECT ANSWERS the divisions of a master key system into
hierarchies of access, as shown in the following tables. Note: the standard key coding
system has been expanded to include key symbols for systems of more than four levels
of keying.
Maison Key System CORRECT ANSWERS [from the French meaning "house" key
system] a keying system, in which one or more cylinders are operated by every key (or
relatively large numbers of different keys) in the system: e.g. main entrances of
apartment buildings operated by all individual suite keys of the building
questions and answers a+ graded 2025
Bitting CORRECT ANSWERS n. 1. the number(s) which represent(s) the dimensions of
the key 2. the actual cut(s) or combination of a
key
Bitting list CORRECT ANSWERS A listing of all key combinations used within a system.
The combinations are usually arranged in order of the blind code, direct code, and/or
key symbol.
Block Master CORRECT ANSWERS the one pin master for all combinations listed as a
block in the standard progression format
Build-up pin CORRECT ANSWERS the additional element of a pin stack required to
allow operation at different shear lines in a cylinder
Change key CORRECT ANSWERS 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 electronically allow resetting of a certain key or combination lock. see
also "reset key"#1
Combination CORRECT ANSWERS the groups of numbers which represent the bitting
of a key and/or the tumblers of a lock or cylinder
Five pin master key CORRECT ANSWERS a master key for all combinations obtained
by progressing five bitting positions
Four column progression CORRECT ANSWERS a process wherein key bittings are
obtained by using the cut possibilities in four columns of the key bitting array.
Four pin master key CORRECT ANSWERS a master key for all combinations obtained
by progressing four bitting positions.
Grand Master Key (GMK) CORRECT ANSWERS the which operates two or more
separate groups of locks, which each operated by a different master key.
Grand Master Key System CORRECT ANSWERS a master key system which has
exactly three levels of keying.
Great Grand Master Key (GGMK) CORRECT ANSWERS a key which operates two or
more separate groups of locks which are each operated by different grand master key
, Great Grand Master Key System CORRECT ANSWERS a master key system that has
exactly four levels of keying.
Great Great Grand Master Key (GGGMK) CORRECT ANSWERS the key which
operates two or more separate groups of locks which are operated by different great
grand master keys.
Great Great Grand Master Key System CORRECT ANSWERS a master key system
which has five or more levels of keying.
Hardware Schedule CORRECT ANSWERS a listing of the door hardware used on a
particular 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.
Horizontal Group Master Key CORRECT ANSWERS the two pin master key for all
combinations listed in all blocks in a line across a page in a standard progression
format.
Incidental Master Key CORRECT ANSWERS a key cut to an unplanned shear line
created when the cylinders is combinated to the top master key and a change key.
Key Bitting Array CORRECT ANSWERS a matrix (graphic) display of all possible
bittings for change keys and master keys as related to the top master key.
Key Symbol CORRECT ANSWERS a designation used for a key combination in the
standard key coding system, e.g. A, AA, AA1, etc.
Keying Schedule CORRECT ANSWERS a detailed specification of the keying system
listing how all cylinders are to be keyed and the quantities, markings, and shipping
instructions of all keys and/or cylinders to be provided.
Keying Symbol CORRECT ANSWERS a designation used for a lock or cylinder
combination in the standard key coding system, e.g. AA1, XAA1, XIX, etc.
Levels of Keying CORRECT ANSWERS the divisions of a master key system into
hierarchies of access, as shown in the following tables. Note: the standard key coding
system has been expanded to include key symbols for systems of more than four levels
of keying.
Maison Key System CORRECT ANSWERS [from the French meaning "house" key
system] a keying system, in which one or more cylinders are operated by every key (or
relatively large numbers of different keys) in the system: e.g. main entrances of
apartment buildings operated by all individual suite keys of the building
