NC locksmith exam section 7 Questions With Complete
Solutions
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.
Solutions
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.
