Michigan Locksmith Advanced
Technician Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
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1. A pin tumbler lock rekeying procedure begins with measuring the
existing pin stacks. What is the primary purpose of this step?
A. To lubricate the plug before reassembly
B. To determine correct key cut depths for new pins
C. To identify the current pin combinations for accurate rekeying
D. To adjust the tension of the driver springs
Accurately measuring existing pin stacks identifies the current pin
combinations, which is essential for cutting new keys that will
function correctly after rekeying.
2. When servicing a mortise lockset, what is the most critical
consideration to maintain proper latch and deadbolt alignment?
A. The finish of the lock
B. The weight of the door
C. The door’s backset and strike plate placement
D. The type of screws used
Ensuring the backset and strike plate placement are correct
maintains alignment so the latch and deadbolt engage smoothly in
the strike.
3. What class of key blank is typically used for high-security restricted
keys in Michigan commercial applications?
A. Standard residential blanks
B. Skeleton keys
, C. Restricted service key blanks with patented profiles
D. Double-sided consumer blanks
Restricted service key blanks with patented profiles are used for
high-security systems where key duplication requires authorization.
4. Which of the following best defines “master keying” in a commercial
setting?
A. Installing a single lock on all doors
B. Using digital keypads for access
C. A hierarchy of keys to operate multiple locks with controlled
access levels
D. Restricting key issuance to management only
Master keying refers to a system where keys operate different
subsets of locks based on access privileges, arranged hierarchically.
5. What is the function of a core plug in a removable lock core system?
A. To provide decorative cover
B. To allow quick removal and replacement of the lock core without
disassembling the entire lock
C. To stop water intrusion
D. To secure the cylinder to the strike plate
Core plugs enable efficient removal and replacement of the lock core
independently of the lock body.
6. Which tool is essential when decoding a Schlage SC4 keyway pinning?
A. Screwdriver
B. Hammer
C. Key gauge or decoder
D. Pliers
A key gauge or decoder is used to read the existing cuts in a SC4 key
to determine proper pinning for replacement keys.
7. What is the proper way to address a lock that binds intermittently
during key rotation?
A. Tighten the screws further
B. Replace the entire door
C. Inspect and correct misaligned strike plates and check for debris
D. Force the key to rotate harder
, Intermittent binding usually results from misalignment or debris,
which must be corrected for smooth operation.
8. Which type of cylinder offers the highest resistance to drilling and
unauthorized entry?
A. Standard wafer cylinder
B. Pin cylinder without security features
C. High-security cylinder with hardened steel inserts and anti-drill
pins
D. Tubular cam lock cylinder
High-security cylinders with hardened inserts and anti-drill pins are
designed to resist drilling and forced entry.
9. What is the most appropriate lubrication for a high-security pin
tumbler lock?
A. Motor oil
B. Graphite powder exclusively
C. Dry film lubricant designed for locks
D. WD-40
Dry film lubricants are formulated to reduce friction without
attracting dust and contaminants.
10. A locksmith is installing an electric strike. What is critical to
verify before finalizing installation?
A. The color of the strike plate
B. The brand of the door closer
C. The door frame’s power supply and fail-safe/secure configuration
D. The thickness of the door veneer
Verifying the door frame’s electrical configuration ensures the
electric strike functions as either fail-safe or fail-secure per
requirements.
11. When cutting a high-security key blank, what is essential to
reduce metal waste and ensure accuracy?
A. Cutting at the fastest speed possible
B. Using a dull blade
C. Aligning the blank precisely and using proper machine calibration
D. Freehand cutting
Technician Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationale 2026 Q&A| Instant
Download Pdf
1. A pin tumbler lock rekeying procedure begins with measuring the
existing pin stacks. What is the primary purpose of this step?
A. To lubricate the plug before reassembly
B. To determine correct key cut depths for new pins
C. To identify the current pin combinations for accurate rekeying
D. To adjust the tension of the driver springs
Accurately measuring existing pin stacks identifies the current pin
combinations, which is essential for cutting new keys that will
function correctly after rekeying.
2. When servicing a mortise lockset, what is the most critical
consideration to maintain proper latch and deadbolt alignment?
A. The finish of the lock
B. The weight of the door
C. The door’s backset and strike plate placement
D. The type of screws used
Ensuring the backset and strike plate placement are correct
maintains alignment so the latch and deadbolt engage smoothly in
the strike.
3. What class of key blank is typically used for high-security restricted
keys in Michigan commercial applications?
A. Standard residential blanks
B. Skeleton keys
, C. Restricted service key blanks with patented profiles
D. Double-sided consumer blanks
Restricted service key blanks with patented profiles are used for
high-security systems where key duplication requires authorization.
4. Which of the following best defines “master keying” in a commercial
setting?
A. Installing a single lock on all doors
B. Using digital keypads for access
C. A hierarchy of keys to operate multiple locks with controlled
access levels
D. Restricting key issuance to management only
Master keying refers to a system where keys operate different
subsets of locks based on access privileges, arranged hierarchically.
5. What is the function of a core plug in a removable lock core system?
A. To provide decorative cover
B. To allow quick removal and replacement of the lock core without
disassembling the entire lock
C. To stop water intrusion
D. To secure the cylinder to the strike plate
Core plugs enable efficient removal and replacement of the lock core
independently of the lock body.
6. Which tool is essential when decoding a Schlage SC4 keyway pinning?
A. Screwdriver
B. Hammer
C. Key gauge or decoder
D. Pliers
A key gauge or decoder is used to read the existing cuts in a SC4 key
to determine proper pinning for replacement keys.
7. What is the proper way to address a lock that binds intermittently
during key rotation?
A. Tighten the screws further
B. Replace the entire door
C. Inspect and correct misaligned strike plates and check for debris
D. Force the key to rotate harder
, Intermittent binding usually results from misalignment or debris,
which must be corrected for smooth operation.
8. Which type of cylinder offers the highest resistance to drilling and
unauthorized entry?
A. Standard wafer cylinder
B. Pin cylinder without security features
C. High-security cylinder with hardened steel inserts and anti-drill
pins
D. Tubular cam lock cylinder
High-security cylinders with hardened inserts and anti-drill pins are
designed to resist drilling and forced entry.
9. What is the most appropriate lubrication for a high-security pin
tumbler lock?
A. Motor oil
B. Graphite powder exclusively
C. Dry film lubricant designed for locks
D. WD-40
Dry film lubricants are formulated to reduce friction without
attracting dust and contaminants.
10. A locksmith is installing an electric strike. What is critical to
verify before finalizing installation?
A. The color of the strike plate
B. The brand of the door closer
C. The door frame’s power supply and fail-safe/secure configuration
D. The thickness of the door veneer
Verifying the door frame’s electrical configuration ensures the
electric strike functions as either fail-safe or fail-secure per
requirements.
11. When cutting a high-security key blank, what is essential to
reduce metal waste and ensure accuracy?
A. Cutting at the fastest speed possible
B. Using a dull blade
C. Aligning the blank precisely and using proper machine calibration
D. Freehand cutting
