NC LOCKSMITH STUDY GUIDE 2026 EXAM QUESTIONS
AND SOLUTIONS RATED A+
✔✔n. a deadbolt lock whose bolt may be operated by a key from either side -
✔✔Double Cylinder DeadLock
✔✔adj. of or pertaining to a lock with one or more bolts with different functions, typically
a latch and a deadbolt - ✔✔Double Locking
✔✔n. a surface mounted trim which enhances the appearance and/or security of a lock
installation - ✔✔Escutcheon
✔✔n. a pick with a tip that curves upward by 45º or more toward perpendicular to the
blade - ✔✔Hook Pick
✔✔n. 1. the mark made by a tumbler on its key cut 2. v. to fit a key by the impression
technique - ✔✔Impression
✔✔n. 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 - ✔✔Impression
Technique
✔✔n. the vertical components of a door frame - ✔✔Jamb
✔✔n. a tool designed for use to remove a broken or stuck key from a lock - ✔✔Key
Extractor
✔✔n. any lockset with a key operated cylinder in one or more knobs - ✔✔Key-n-Knob
Lockset
✔✔n. 1. the opening in a lock or cylinder which is shaped to accept key bit or blade of a
proper configuration
2. the exact cross sectional configuration of a keyway as viewed from the front. It is not
necessarily the same as the key section. - ✔✔Keyway
✔✔Key-n-Knob - ✔✔KIK
✔✔Key-n-Lever - ✔✔KIL
✔✔1. n. a mechanical or magnetic door fastener which can automatically keep a door,
gate, etc., closed,
2. v. engagement of a latch when a door, gate, etc. is pushed or pulled closed -
✔✔Latch
,✔✔n. a spring actuated bolt, normally with one or more beveled surfaces, which, when
aligned with the strike, engages it automatically - ✔✔Latch Bolt
✔✔n. a cam or tailpiece designed to remain stationary while the cylinder plug is partially
rotated and/or vice versa - ✔✔Lazy Cam/TailPiece
✔✔n. a locking device, complete with trim, mounting hardware and strike - ✔✔LockSet
✔✔n. a lockset the case of which is designed to fit in a mortise in the edge of a door or
drawer - ✔✔Mortise LockSet
✔✔n. 1. a tool or instrument, other than the specifically designed key, made for the
purpose of manipulating tumblers in a lock or cylinder into the locked or unlocked
position through the keyway, without obvious damage.
2. v. to manipulate tumblers in a keyed lock mechanism through the keyway, without
obvious
damage, by means other than the specifically designed key - ✔✔Pick
✔✔n. a machine designed to impact all of the bottom pins of a pin tumbler lock at
exactly the same time and thereby bounce the top pins beyond the shear line - ✔✔Pick
Gun
✔✔n. a type of manipulation key, cut or modified to operate a lock or cylinder - ✔✔Pick
Key
✔✔n. the part of a cylinder which contains the keyway, with tumbler chambers usually
corresponding to those in the cylinder shell - ✔✔Plug
✔✔n. the cylinder component which secures the plug in the shell - ✔✔Plug Retainer
✔✔n. a tool which rotates a picked cylinder plug so quickly in the desired direction that it
cannot lock during its rotation - ✔✔Plug Spinner
✔✔v. to decode a lock combination visually without disassembly of the lock or cylinder -
✔✔Read
✔✔n. the part of the cylinder which surrounds the plug and which usually contains
tumbler chambers corresponding to those in the plug - ✔✔Shell
✔✔n. a latch operated under spring pressure, having no deadlatching feature -
✔✔Spring Latch
, ✔✔n. a bolt receptacle typically mounted in the door jamb or the floor - ✔✔Strike
✔✔n. a tool used to apply torque to a lock bolt or cylinder plug while attempting picking -
✔✔Tension Wrench
✔✔n. a actuator which can be turned by thumb and forefinger - ✔✔Thumb Turn
✔✔n. exposed components of a lockset or latchset, which allow operation, enhance
appearance or provide protection - ✔✔Trim
✔✔n. a US federal law dealing with minimum standards of building accessibility, as well
as other issues
concerning individuals with disabilities - ✔✔Americans With Disabilities Act (ADA)
✔✔abb. American National Standards Institute - ✔✔ANSI
✔✔Architectural Hardware Consultant (as certified by Door Hardware Institute) -
✔✔ACH
✔✔n. that person, usually within a municipality, charged with the application and
interpretation of local life safety codes - ✔✔Authority Having Jurisdiction (AHJ)
✔✔n. having to do with the absence of restrictions to access by the handicapped -
✔✔Barrier Free
✔✔n. the model building code developed and published by BOCA - ✔✔BOCA National
Building Code Abrev
✔✔n. a document, granted by the authority having jurisdiction, permitting occupancy or
use - ✔✔Certificate of Occupancy
✔✔adj. pertaining to any feature which, when fully engaged, resists attempts to move
the latch or bolt in the unlocking direction through direct pressure - ✔✔DeadLocking
✔✔n. a lock designed for securing a cell or other area in a prison or jail - ✔✔Detention
Lock
✔✔1. v. to place an exit device in the holdback mode 2. n. in marine applications the
latch for a hatch - ✔✔Dog
✔✔n. a key operated cylinder used to dog an exit device - ✔✔Dogging Cylinder
AND SOLUTIONS RATED A+
✔✔n. a deadbolt lock whose bolt may be operated by a key from either side -
✔✔Double Cylinder DeadLock
✔✔adj. of or pertaining to a lock with one or more bolts with different functions, typically
a latch and a deadbolt - ✔✔Double Locking
✔✔n. a surface mounted trim which enhances the appearance and/or security of a lock
installation - ✔✔Escutcheon
✔✔n. a pick with a tip that curves upward by 45º or more toward perpendicular to the
blade - ✔✔Hook Pick
✔✔n. 1. the mark made by a tumbler on its key cut 2. v. to fit a key by the impression
technique - ✔✔Impression
✔✔n. 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 - ✔✔Impression
Technique
✔✔n. the vertical components of a door frame - ✔✔Jamb
✔✔n. a tool designed for use to remove a broken or stuck key from a lock - ✔✔Key
Extractor
✔✔n. any lockset with a key operated cylinder in one or more knobs - ✔✔Key-n-Knob
Lockset
✔✔n. 1. the opening in a lock or cylinder which is shaped to accept key bit or blade of a
proper configuration
2. the exact cross sectional configuration of a keyway as viewed from the front. It is not
necessarily the same as the key section. - ✔✔Keyway
✔✔Key-n-Knob - ✔✔KIK
✔✔Key-n-Lever - ✔✔KIL
✔✔1. n. a mechanical or magnetic door fastener which can automatically keep a door,
gate, etc., closed,
2. v. engagement of a latch when a door, gate, etc. is pushed or pulled closed -
✔✔Latch
,✔✔n. a spring actuated bolt, normally with one or more beveled surfaces, which, when
aligned with the strike, engages it automatically - ✔✔Latch Bolt
✔✔n. a cam or tailpiece designed to remain stationary while the cylinder plug is partially
rotated and/or vice versa - ✔✔Lazy Cam/TailPiece
✔✔n. a locking device, complete with trim, mounting hardware and strike - ✔✔LockSet
✔✔n. a lockset the case of which is designed to fit in a mortise in the edge of a door or
drawer - ✔✔Mortise LockSet
✔✔n. 1. a tool or instrument, other than the specifically designed key, made for the
purpose of manipulating tumblers in a lock or cylinder into the locked or unlocked
position through the keyway, without obvious damage.
2. v. to manipulate tumblers in a keyed lock mechanism through the keyway, without
obvious
damage, by means other than the specifically designed key - ✔✔Pick
✔✔n. a machine designed to impact all of the bottom pins of a pin tumbler lock at
exactly the same time and thereby bounce the top pins beyond the shear line - ✔✔Pick
Gun
✔✔n. a type of manipulation key, cut or modified to operate a lock or cylinder - ✔✔Pick
Key
✔✔n. the part of a cylinder which contains the keyway, with tumbler chambers usually
corresponding to those in the cylinder shell - ✔✔Plug
✔✔n. the cylinder component which secures the plug in the shell - ✔✔Plug Retainer
✔✔n. a tool which rotates a picked cylinder plug so quickly in the desired direction that it
cannot lock during its rotation - ✔✔Plug Spinner
✔✔v. to decode a lock combination visually without disassembly of the lock or cylinder -
✔✔Read
✔✔n. the part of the cylinder which surrounds the plug and which usually contains
tumbler chambers corresponding to those in the plug - ✔✔Shell
✔✔n. a latch operated under spring pressure, having no deadlatching feature -
✔✔Spring Latch
, ✔✔n. a bolt receptacle typically mounted in the door jamb or the floor - ✔✔Strike
✔✔n. a tool used to apply torque to a lock bolt or cylinder plug while attempting picking -
✔✔Tension Wrench
✔✔n. a actuator which can be turned by thumb and forefinger - ✔✔Thumb Turn
✔✔n. exposed components of a lockset or latchset, which allow operation, enhance
appearance or provide protection - ✔✔Trim
✔✔n. a US federal law dealing with minimum standards of building accessibility, as well
as other issues
concerning individuals with disabilities - ✔✔Americans With Disabilities Act (ADA)
✔✔abb. American National Standards Institute - ✔✔ANSI
✔✔Architectural Hardware Consultant (as certified by Door Hardware Institute) -
✔✔ACH
✔✔n. that person, usually within a municipality, charged with the application and
interpretation of local life safety codes - ✔✔Authority Having Jurisdiction (AHJ)
✔✔n. having to do with the absence of restrictions to access by the handicapped -
✔✔Barrier Free
✔✔n. the model building code developed and published by BOCA - ✔✔BOCA National
Building Code Abrev
✔✔n. a document, granted by the authority having jurisdiction, permitting occupancy or
use - ✔✔Certificate of Occupancy
✔✔adj. pertaining to any feature which, when fully engaged, resists attempts to move
the latch or bolt in the unlocking direction through direct pressure - ✔✔DeadLocking
✔✔n. a lock designed for securing a cell or other area in a prison or jail - ✔✔Detention
Lock
✔✔1. v. to place an exit device in the holdback mode 2. n. in marine applications the
latch for a hatch - ✔✔Dog
✔✔n. a key operated cylinder used to dog an exit device - ✔✔Dogging Cylinder
