NC LOCKSMITH LICENSE EXAM: SECTION 6 - LOCKSET FUNCTIONS QUESTIONS AND ANSWERS 2025

NC LOCKSMITH LICENSE EXAM: SECTION 6 - LOCKSET FUNCTIONS QUESTIONS AND ANSWERS 2025 160 Prep - ANSWER-a standard door preparation which consists of a 2-1/8" cross-bore with a 2-3/8" backset, and a 1" edge bore with a mortise 1" wide and 2-3/4" high 161 Prep - ANSWER-a standard door preparation which consists of a 2-1/8" cross-bore with a 2-3/4" backset, and a 1" edge bore with a mortise 1-1/8" wide and 2-1/4" high Adjustable Collar - ANSWER-a spring loaded cylinder which can fill a range of gaps between the cylinder head and the door or escutcheon surface Adjustable Mortise Cylinder - ANSWER-Any mortise cylinder whose length can be adjusted for a better fit in doors of varying thickness Architectural Finish Code - ANSWER-One of a series of specifications codes used to indicate the color and texture of a metal end product that can be installed. Some finish specifications also note the base metal characteristics and processes used to obtain the end Bored Lock - ANSWER-A lock for a door prepared with one or more cross-bores and one or more edge-bores Cam - ANSWER-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 Case - ANSWER-The housing or body of a lock Chassis - ANSWER-the part of a cylindrical lockset that contains the actuating mechanism and has a means for mounting trim and a bolt Cloverleaf cam - ANSWER-a style of mortise lock cam with three lobes: a ball shaped longer center, and angular projections on either side Cross-bore - ANSWER-a hole drilled into the face of a door where a bored or interconnected lockset is to be installed Cylindrical lockset - ANSWER-a bored lockset whose latch or bolt locking mechanism is contained in the portion installed through the cross-bore Door Swing - ANSWER-the direction and degree to which a door opens, as LH90 degrees RH180 degrees etc. Edge-bore - ANSWER-a hole drilled in the edge of the door where a bored or interconnected lockset is to be installed Escutcheon - ANSWER-a surface mounted trim which enhances the appearance and/or security of a lock installation Finish - ANSWER-a material, coloring and/or texturing specification Handed - ANSWER-pertaining to hardware which is manufactured only for application on doors with a specific orientation Hub - ANSWER-1. A lock component, which redirects rotational motion from a spindle or shaft to linear movement of a latch or bolt 2. (key change) the part of a combination wheel that the change key engages to permit the combination to be changed Knob Screw - ANSWER-a screw used to fasten a slip-on knob to a mortise lock spindle, or a set screw which maintains the position of a knob on a threaded mortise lock spindle Left Hand (Man Door) - ANSWER-Pertaining to an inward swinging door with hinges on the left side, using the outside of the door as reference Left Hand Reverse Bevel - ANSWER-pertaining to a left handed door which swings outward Mortise - ANSWER-to prepare by removing stock material from the edge of a door, drawer, frame or opening to create a recess which allows the flush fit or in setting of relevant lock or other hardware 2. The cavity prepared by mortising 3. Of or pertaining to a locking device designed to fit in a mortise preparation Mortise Lockset - ANSWER-a lockset the case of which is designed to fit in a mortise in the edge of a door or drawer Non-reversible - ANSWER-door hardware whose hand cannot be changed in the field Out of time - ANSWER-of or pertaining to a condition where a mechanical part is mis-oriented and cannot function correctly Right Hand - ANSWER-pertaining to an inward swinging door with hinges on the right side, using the outside of the door as reference Right Hand Reverse Bevel - ANSWER-Pertaining to a right handed door which swings outward Rose - ANSWER-a usually circular escutcheon Spanner Wrench - ANSWER-a tool for installing, removing or adjusting a threaded part. the tool is designed to engage one of more holes or depressions which are peripheral or not on-center to the part axis Spindle - ANSWER-a component which transfers rotary motion from outside a lock or latch case to an inner mechanism Split Hub - ANSWER-a two piece hub which can allow motion from one side of a swivel spindle while preventing it from the other side Split Spindle - ANSWER-a multi-piece spindle which allows a knob or lever to be installed on only one side of a door Swivel Spindle - ANSWER-normally a two piece spindle assembly whose two halves are designed to turn independently Thumb piece - ANSWER-a generally flat, projecting latch actuator found above a grip handle and depressed by the thumb Timing - ANSWER-the engagement or positioning of an assembly of internal parts so as to produce the desired sequence of engagement during operation Trim - ANSWER-exposed components of a lockset or latch set, which allow operation, enhance appearance or provide protection