British Columbia Locksmith Apprentice
Examination — Level 2 Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. In advanced locksmith practice at the apprentice Level 2 stage, a
technician is required to duplicate a key using a code-cutting machine
rather than by tracing an existing key. Which of the following best
describes the primary advantage of originating a key by code instead
of duplication from a worn sample key?
A. It increases the physical hardness of the key metal
B. It eliminates the need for key blanks entirely
C. It produces a key with exact manufacturer specifications unaffected
by wear
D. It allows the key to bypass all security pins
Answer: C
Rationale: Key origination by code ensures the new key is cut to
precise factory specifications rather than copying wear or distortion
from an existing key, which improves functionality and longevity.
,2. When performing master keying in a pin tumbler lock system, what is
the primary function of master pins placed between the bottom and
driver pins?
A. To increase resistance to drilling
B. To allow multiple keys to operate the same lock
C. To reduce friction inside the cylinder
D. To prevent key duplication
Answer: B
Rationale: Master pins create additional shear lines within the
cylinder, enabling different keys to align pins correctly and operate
the same lock.
3. A locksmith apprentice encounters a lock cylinder that is difficult to
turn even with the correct key, and internal inspection reveals debris
accumulation. Which lubricant is most appropriate for restoring
smooth operation without attracting further contaminants?
A. Motor oil
B. Grease compound
C. Graphite powder
D. Water-based lubricant
Answer: C
Rationale: Dry lubricants such as graphite reduce friction without
attracting dust or debris, unlike oil-based products which can worsen
contamination.
4. During installation of a mortise lock, which measurement must be
verified before cutting into the door to ensure proper alignment and
function?
A. Door color and finish
B. Backset and door thickness
C. Handle style
, D. Frame paint type
Answer: B
Rationale: Correct backset and door thickness are critical for proper
alignment of the lock body and hardware, preventing installation
errors.
5. In pin tumbler lock servicing, what is the primary purpose of shimming
a cylinder?
A. To permanently disable the lock
B. To decode the key bitting visually
C. To bypass the locking mechanism non-destructively
D. To increase key duplication speed
Answer: C
Rationale: Shimming allows a locksmith to open a lock by bypassing
the shear line without damaging internal components.
6. Which of the following best describes the term “key blank” in
locksmithing?
A. A key that has been duplicated twice
B. A fully cut and coded key
C. An uncut key ready for shaping
D. A master key used for all locks
Answer: C
Rationale: A key blank is an uncut key that has not yet been shaped
to match a specific lock.
7. When decoding a wafer lock without destructive entry, which tool
combination is most effective?
A. Plug spinner and hammer
B. Tension wrench and feeler picks
C. Drill and extractor
D. Bypass knife
, Answer: B
Rationale: A tension wrench combined with feeler picks allows
manipulation and decoding of wafers without damaging the lock.
8. In a master key system, what does the term “change key” refer to?
A. A key that opens all locks in the system
B. A key that operates only one specific lock
C. A key used to remove cylinders
D. A temporary emergency key
Answer: B
Rationale: A change key is designed to operate only one lock within a
master key system, unlike master keys that open multiple locks.
9. What is the primary reason locksmiths must understand manufacturer-
specific pinning specifications such as depth and spacing?
A. To improve lock aesthetics
B. To ensure compatibility and correct key operation
C. To reduce labor time
D. To avoid using key blanks
Answer: B
Rationale: Accurate knowledge of pinning specifications ensures keys
are cut correctly and locks function as intended.
10. Which component of a pin tumbler lock directly interacts with
the key cuts to align the shear line?
A. Driver pins
B. Springs
C. Bottom pins
D. Plug housing
Answer: C
Rationale: Bottom pins rest on the key cuts and align at the shear line
when the correct key is inserted.
Examination — Level 2 Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. In advanced locksmith practice at the apprentice Level 2 stage, a
technician is required to duplicate a key using a code-cutting machine
rather than by tracing an existing key. Which of the following best
describes the primary advantage of originating a key by code instead
of duplication from a worn sample key?
A. It increases the physical hardness of the key metal
B. It eliminates the need for key blanks entirely
C. It produces a key with exact manufacturer specifications unaffected
by wear
D. It allows the key to bypass all security pins
Answer: C
Rationale: Key origination by code ensures the new key is cut to
precise factory specifications rather than copying wear or distortion
from an existing key, which improves functionality and longevity.
,2. When performing master keying in a pin tumbler lock system, what is
the primary function of master pins placed between the bottom and
driver pins?
A. To increase resistance to drilling
B. To allow multiple keys to operate the same lock
C. To reduce friction inside the cylinder
D. To prevent key duplication
Answer: B
Rationale: Master pins create additional shear lines within the
cylinder, enabling different keys to align pins correctly and operate
the same lock.
3. A locksmith apprentice encounters a lock cylinder that is difficult to
turn even with the correct key, and internal inspection reveals debris
accumulation. Which lubricant is most appropriate for restoring
smooth operation without attracting further contaminants?
A. Motor oil
B. Grease compound
C. Graphite powder
D. Water-based lubricant
Answer: C
Rationale: Dry lubricants such as graphite reduce friction without
attracting dust or debris, unlike oil-based products which can worsen
contamination.
4. During installation of a mortise lock, which measurement must be
verified before cutting into the door to ensure proper alignment and
function?
A. Door color and finish
B. Backset and door thickness
C. Handle style
, D. Frame paint type
Answer: B
Rationale: Correct backset and door thickness are critical for proper
alignment of the lock body and hardware, preventing installation
errors.
5. In pin tumbler lock servicing, what is the primary purpose of shimming
a cylinder?
A. To permanently disable the lock
B. To decode the key bitting visually
C. To bypass the locking mechanism non-destructively
D. To increase key duplication speed
Answer: C
Rationale: Shimming allows a locksmith to open a lock by bypassing
the shear line without damaging internal components.
6. Which of the following best describes the term “key blank” in
locksmithing?
A. A key that has been duplicated twice
B. A fully cut and coded key
C. An uncut key ready for shaping
D. A master key used for all locks
Answer: C
Rationale: A key blank is an uncut key that has not yet been shaped
to match a specific lock.
7. When decoding a wafer lock without destructive entry, which tool
combination is most effective?
A. Plug spinner and hammer
B. Tension wrench and feeler picks
C. Drill and extractor
D. Bypass knife
, Answer: B
Rationale: A tension wrench combined with feeler picks allows
manipulation and decoding of wafers without damaging the lock.
8. In a master key system, what does the term “change key” refer to?
A. A key that opens all locks in the system
B. A key that operates only one specific lock
C. A key used to remove cylinders
D. A temporary emergency key
Answer: B
Rationale: A change key is designed to operate only one lock within a
master key system, unlike master keys that open multiple locks.
9. What is the primary reason locksmiths must understand manufacturer-
specific pinning specifications such as depth and spacing?
A. To improve lock aesthetics
B. To ensure compatibility and correct key operation
C. To reduce labor time
D. To avoid using key blanks
Answer: B
Rationale: Accurate knowledge of pinning specifications ensures keys
are cut correctly and locks function as intended.
10. Which component of a pin tumbler lock directly interacts with
the key cuts to align the shear line?
A. Driver pins
B. Springs
C. Bottom pins
D. Plug housing
Answer: C
Rationale: Bottom pins rest on the key cuts and align at the shear line
when the correct key is inserted.
