LOCKSET FUNCTIONS QUESTIONS AND
ANSWERS 2025
Active Retainer - RIGHT ANSWER -a cylinder retaining mechanism which requires the plug be
rotated before the cylinder be removed
Bow Stop - RIGHT ANSWER -a type of stop located near the key bow
Decode - RIGHT ANSWER -to determine a key combination by physical measurement of a key
and/or cylinder without removing the tumblers
Decoder Gauge - RIGHT ANSWER -a measuring device which helps determine the combination of
a lock without removing the tumblers
Depth Key set - RIGHT ANSWER -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
Impression Technique - RIGHT ANSWER -a means of fitting a key directly to a locked cylinder by
manipulating a blank in the keyway and cutting the blank where the tumblers have made marks
Key Pull Position - RIGHT ANSWER -any position, of the cylinder plug at which the key can be
removed
Key pull(s) - RIGHT ANSWER -a lock specification which indicates by quantity and orientation the
position(s) at which a key may be withdrawn