NC LOCKSMITH LICENSE EXAM: SECTION 4- LOCKSET FUNCTIONS QUESTIONS AND ANSWERS 2025

NC LOCKSMITH LICENSE EXAM: SECTION 4- LOCKSET FUNCTIONS QUESTIONS AND ANSWERS 2025 Actuator - RIGHT ANSWER -a device, usually connected to a cylinder, which, when activated, may cause a lock mechanism to operate Auxilary lock - RIGHT ANSWER -any lock installed in addition to the primary lock Bored lock - RIGHT ANSWER -a lock for a door prepared with one or more cross-bores and one or more edge bores Bump key - RIGHT ANSWER -a cut key, cut to allow the user to replicate the action of a pick gun By-pass tool - RIGHT ANSWER -A device that neutralizes the security of a locking device, or its application hardware, often taking advantage of a design weakness Cam - RIGHT ANSWER -1. A lock or cylinder component which transfers the rotational motion of a key or cylinder plug to the bolt works of the lock. 2. The bolt of a cam lock Cylinder - RIGHT ANSWER -a complete operating unit which usually consists of the plug, shell, tumblers, springs, plug retainer, a cam/tailpiece or other actuating device and all other necessary operating parts Cylindrical lockset - RIGHT ANSWER -a bored lockset whose latch or bolt locking mechanism is contained in the portion installed through the cross bore Deadbolt - RIGHT ANSWER -a bolt, which requires a deliberate action to extend, and which resists end pressure in the unlocking direction when fully extended Deadlock - RIGHT ANSWER -a lock which incorporates a deadbolt Deadlocking - RIGHT ANSWER -pertaining to any feature which, when fully engaged, resist attempts to move the latch or bolt in the unlocking direction through direct pressure Deadlocking latch - RIGHT ANSWER -a latch bolt with a deadlocking mechanism Door silencer - RIGHT ANSWER -a bumper installed in the jamb stop to quiet the closing of a door Double Cylinder - RIGHT ANSWER -pertaining to a lock with two keyed cylinders Double Cylinder Deadlock - RIGHT ANSWER -a deadbolt lock whose bolt may be operated by a key from either side Double locking - RIGHT ANSWER -of or pertaining to a lock with one or more bolts with different functions, typically a latch and a deadbolt Escutcheon - RIGHT ANSWER -a surface mounted trim which enhances the appearance and/or security of a lock install Hook pick - RIGHT ANSWER -a pick with a tip that curves up by 45 degrees or more toward perpendicular to the blade Impression - RIGHT ANSWER -1. The mark made by the tumbler on its key cut 2. To fit a key by the impression technique 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 Jamb - RIGHT ANSWER -The vertical component of a door frame Key extractor - RIGHT ANSWER -a tool designed for use to remove a broken or stuck key form a lock Key-n-knob lockset - RIGHT ANSWER -any lockset with a key operated cylinder in one or more knobs Keyway - RIGHT ANSWER -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 KIK - RIGHT ANSWER -Key-n-knob KIL - RIGHT ANSWER -Key-n-lever Latch - RIGHT ANSWER -1. A mechanical or magnetic door fastener which can automatically keep a door, gate, etc. closed. 2. Engagement of a latch when a door, gate, etc. is pushed or pulled Latch bolt - RIGHT ANSWER -a spring actuated bolt, normally with one or more beveled surfaces, which when aligned with the strike engages it automatically Lazy cam/tailpiece - RIGHT ANSWER -a cam or tailpiece designed to remain stationary while the cylinder plug is partially rotated and/or vice versa Lock stile - RIGHT ANSWER -the edge of a door designed for lock or latch installation Lockset - RIGHT ANSWER -a locking device, complete with trim, mounting hardware, and strike Mortise Lockset - RIGHT ANSWER -a lockset the case of which is designed to fit in a mortise in the edge of a door or drawer Pick - RIGHT ANSWER -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. To manipulate tumblers in a keyed lock mechanism through the keyway, without obvious damage, by means other than the specifically designed key Pick gun - RIGHT ANSWER -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 key - RIGHT ANSWER -a type of manipulation key, cut or modified to operate a lock or cylinder Plug - RIGHT ANSWER -the part of the cylinder which contains the keyway, with the tumbler chambers usually corresponding to those in the cylinder shell Plug retainer - RIGHT ANSWER -the cylinder component which secures the plug in the shell Plug spinner - RIGHT ANSWER -a tool which is designed to rotate a picked cylinder plug so quickly in the desired direction that it cannot lock during the rotation Read - RIGHT ANSWER -to decode a lock combination visually without disassembly of the lock or cylinder Shell - RIGHT ANSWER -the part of the cylinder which surrounds the plug and which usually contains tumbler chambers corresponding to those in the plug Spring latch - RIGHT ANSWER -a latch operated under spring pressure, having no deadlocking feature Strike - RIGHT ANSWER -a bolt receptacle typically mounted in the door jamb or the floor Tailpiece - RIGHT ANSWER -An actuator attached to the rear of the cylinder, parallel to the plug, typically used on a rim, key-n-knob, or special application cylinder Tension wrench - RIGHT ANSWER -a tool used to apply torque to a lock bolt or cylinder plug while attempting picking Thumb turn - RIGHT ANSWER -an actuator which can be turned by the thumb and forefinger Trim - RIGHT ANSWER -exposed components of a lockset or latch set, which allow operation, enhance appearance or provide protection