ACTUAL Exam Questions and 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 - CORRECT ANSWER - Bitting
n. a designation, unrelated to the bitting, assigned to a particular key combination for future
reference when additional keys or cylinders may be needed - CORRECT ANSWER -
Blind Code
n. a hand held key bitting punch, often incorporating a trigger-like handle - CORRECT
ANSWER - Clipper
n. 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 - CORRECT ANSWER - Code
n. a key cut to a specific code rather than duplicated from a pattern key. it may or may not
conform to the lock manufacturer's specifications - CORRECT ANSWER - Code Key
n. a code key which conforms to the lock manufacturer's specifications - CORRECT
ANSWER - Code Original Key
n. the group of numbers which represent the bitting of a key and/or the tumblers of a lock or
cylinder - CORRECT ANSWER - Combination
n. the bottom of a key cut - CORRECT ANSWER - Cut Root
,n. 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 - CORRECT ANSWER - Cut Root Shape
n. a set of keys used to make a code original key on a key duplicating machine to a lock
manufacturer's 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. - CORRECT
ANSWER - Depth Key Set
n. a series of blind codes and bittings which are directly related to those of another bitting list -
CORRECT ANSWER - Derived Series
n. a designation assigned to a particular key which includes the actual combination of the key -
CORRECT ANSWER - Direct Code
n. the dimension obtained by adding the root depth of a key cut 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. - CORRECT ANSWER - Effective Plug Diameter
n. the maximum allowable difference between adjacent cut depths - CORRECT
ANSWER - Maximum Adjacent Cut Specification
abb. maximum adjacent cut specification - CORRECT ANSWER - "MACS"
n. the dimension from the bottom of a cut on a key to the bottom of the blade - CORRECT
ANSWER - Root Depth
n. a location in a cylinder at which specific tumbler surfaces must be aligned, removing
obstruction(s) which prevented the plug from moving - CORRECT ANSWER - Shear
Line
,n. the dimensions from the stop to the center of the first cut and/or to the centers of successive
cuts - CORRECT ANSWER - Spacing
n. the part of a key from which all cuts are indexed and which determines how far the key enters
the keyway - CORRECT ANSWER - Stop (of a key)
n. that portion of the cylinder shell which normally houses the pin chambers, especially those of
a key-inknob
cylinder or certain rim cylinders - CORRECT ANSWER - Bible
n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to cut the keyway into a cylinder
plug with a
broach - CORRECT ANSWER - Broach
n. 1. a lock or cylinder component which transfers the rotational motion of a key or cylinder plug
to the
bolt works of a lock 2. the bolt of a cam lock - CORRECT ANSWER - CAM
n. any cavity in a cylinder plug and/or shell which houses the tumblers - CORRECT
ANSWER - Chamber
n. a keyway which has been enlarged to accept more than one key section, often key sections of
more
than one manufacturer - CORRECT ANSWER - Composite Keyway
n. 1. a flat tumbler which must be drawn into the cylinder plug by the proper key so that none of
its
extremities extends into the shell 2. a flat, usually rectangular tumbler with a gate which must be
aligned
with a sidebar by the proper key - CORRECT ANSWER - Disc Tumbler
, n. a set of top pins of different lengths. Usage is based on the height of the rest of the pin stack,
in order
to achieve a uniform pin stack height. See also "compensate drivers" - CORRECT
ANSWER - Graduated Drivers
n. a usually uniform increase or decrease in the successive depths of a key cut which must be
matched
by a corresponding change in the tumblers - CORRECT ANSWER - Increment
n. a pin tumbler cylinder with a diameter of 2.0", whose pins, springs, key, etc. may also be
proportionally
increased in size. It is frequently used in prison locks - CORRECT ANSWER - Mogul
Cylinder
n. a threaded cylinder typically used in mortise locks of American manufacture - CORRECT
ANSWER - Mortise Cylinder
n. a pin tumbler, usually a top pin, which resembles a mushroom. It is typically used to increase
pick
resistance - CORRECT ANSWER - Mushroom Pin
adj. 1. of or pertaining to a keyway with one or more wards on each side projecting beyond the
vertical
center line of the keyway to hinder picking 2. of or pertaining to a key blank made to enter such
a keyway - CORRECT ANSWER - Paracentric
n. a mortise cylinder of 3/4" diameter - CORRECT ANSWER - Peanut Cylinder
n. the corresponding hole drilled into the cylinder shell and/or plug to accept the pin(s) and
spring - CORRECT ANSWER - Pin Chamber