NC Locksmith Exam Section 6 2025
Questions and Answers
160 Prep - --CORRECT 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 - --CORRECT 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 - --CORRECT 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 - --CORRECT ANSWER--Any mortise cylinder
whose length can be adjusted for a better fit in doors of varying thickness
Architectural Finish Code - --CORRECT 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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Bored Lock - --CORRECT ANSWER--A lock for a door prepared with one or
more cross-bores and one or more edge-bores
Cam - --CORRECT 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 - --CORRECT ANSWER--The housing or body of a lock
Chassis - --CORRECT ANSWER--the part of a cylindrical lockset that contains
the actuating mechanism and has a means for mounting trim and a bolt
Cloverleaf cam - --CORRECT ANSWER--a style of mortise lock cam with three
lobes: a ball shaped longer center, and angular projections on either side
Cross-bore - --CORRECT ANSWER--a hole drilled into the face of a door where
a bored or interconnected lockset is to be installed
Cylindrical lockset - --CORRECT ANSWER--a bored lockset whose latch or bolt
locking mechanism is contained in the portion installed through the cross-bore
Door Swing - --CORRECT ANSWER--the direction and degree to which a door
opens, as LH90 degrees RH180 degrees etc.
Edge-bore - --CORRECT ANSWER--a hole drilled in the edge of the door where
a bored or interconnected lockset is to be installed
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
Questions and Answers
160 Prep - --CORRECT 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 - --CORRECT 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 - --CORRECT 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 - --CORRECT ANSWER--Any mortise cylinder
whose length can be adjusted for a better fit in doors of varying thickness
Architectural Finish Code - --CORRECT 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
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Bored Lock - --CORRECT ANSWER--A lock for a door prepared with one or
more cross-bores and one or more edge-bores
Cam - --CORRECT 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 - --CORRECT ANSWER--The housing or body of a lock
Chassis - --CORRECT ANSWER--the part of a cylindrical lockset that contains
the actuating mechanism and has a means for mounting trim and a bolt
Cloverleaf cam - --CORRECT ANSWER--a style of mortise lock cam with three
lobes: a ball shaped longer center, and angular projections on either side
Cross-bore - --CORRECT ANSWER--a hole drilled into the face of a door where
a bored or interconnected lockset is to be installed
Cylindrical lockset - --CORRECT ANSWER--a bored lockset whose latch or bolt
locking mechanism is contained in the portion installed through the cross-bore
Door Swing - --CORRECT ANSWER--the direction and degree to which a door
opens, as LH90 degrees RH180 degrees etc.
Edge-bore - --CORRECT ANSWER--a hole drilled in the edge of the door where
a bored or interconnected lockset is to be installed
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
