NC Locksmith Exam Section 6 Questions and Answers Already Passed Graded A+
160 Prep - Answers 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 - Answers 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 - Answers a spring loaded cylinder which can fill a range of gaps between the cylinder
head and the door or escutcheon surface
Adjustable Mortise Cylinder - Answers Any mortise cylinder whose length can be adjusted for a better fit
in doors of varying thickness
Architectural Finish Code - Answers 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 - Answers A lock for a door prepared with one or more cross-bores and one or more edge-
bores
Cam - Answers 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 - Answers The housing or body of a lock
Chassis - Answers the part of a cylindrical lockset that contains the actuating mechanism and has a
means for mounting trim and a bolt
Cloverleaf cam - Answers a style of mortise lock cam with three lobes: a ball shaped longer center, and
angular projections on either side
Cross-bore - Answers a hole drilled into the face of a door where a bored or interconnected lockset is to
be installed
Cylindrical lockset - Answers a bored lockset whose latch or bolt locking mechanism is contained in the
portion installed through the cross-bore
Door Swing - Answers the direction and degree to which a door opens, as LH90 degrees RH180 degrees
etc.
Edge-bore - Answers a hole drilled in the edge of the door where a bored or interconnected lockset is to
be installed
Escutcheon - Answers a surface mounted trim which enhances the appearance and/or security of a lock
installation
160 Prep - Answers 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 - Answers 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 - Answers a spring loaded cylinder which can fill a range of gaps between the cylinder
head and the door or escutcheon surface
Adjustable Mortise Cylinder - Answers Any mortise cylinder whose length can be adjusted for a better fit
in doors of varying thickness
Architectural Finish Code - Answers 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 - Answers A lock for a door prepared with one or more cross-bores and one or more edge-
bores
Cam - Answers 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 - Answers The housing or body of a lock
Chassis - Answers the part of a cylindrical lockset that contains the actuating mechanism and has a
means for mounting trim and a bolt
Cloverleaf cam - Answers a style of mortise lock cam with three lobes: a ball shaped longer center, and
angular projections on either side
Cross-bore - Answers a hole drilled into the face of a door where a bored or interconnected lockset is to
be installed
Cylindrical lockset - Answers a bored lockset whose latch or bolt locking mechanism is contained in the
portion installed through the cross-bore
Door Swing - Answers the direction and degree to which a door opens, as LH90 degrees RH180 degrees
etc.
Edge-bore - Answers a hole drilled in the edge of the door where a bored or interconnected lockset is to
be installed
Escutcheon - Answers a surface mounted trim which enhances the appearance and/or security of a lock
installation
