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100+ Free CRL Practice Questions

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Sample CRL Practice Questions

Try these sample questions to test your CRL exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which component of a key prevents it from being inserted too far into a lock cylinder?
A.Shoulder
B.Bow
C.Tip
D.Blade
Explanation: The shoulder of a key is the stopping point that aligns the key properly within the lock, ensuring the cuts on the blade correctly interact with the pins.
2A classroom function lockset (ANSI F84) is designed to be locked or unlocked from the outside with a key. How is the inside lever typically operated?
A.Always free for immediate egress
B.Requires a key to exit
C.Can be locked by a thumbturn
D.Is always rigid and unmovable
Explanation: The primary safety feature of a classroom function lock is that the inside lever is always free, allowing occupants to exit the room without a key, even if the outside lever is locked.
3In a 6-pin master key system, what is the function of a master pin?
A.It creates an additional shear line.
B.It replaces the bottom pin.
C.It is always the same size as the driver pin.
D.It prevents the lock from being picked.
Explanation: A master pin is a small, disc-shaped tumbler placed between the bottom and driver pins, creating a second shear line. This allows both a change key and a master key to operate the lock.
4Which term describes an electric strike that remains locked during a power failure?
A.Fail-Secure
B.Fail-Safe
C.Fail-Open
D.Fail-Stop
Explanation: A fail-secure electric strike requires power to unlock. During a power failure, it remains locked, maintaining the security of the door.
5According to NFPA 80, what is the maximum permissible clearance at the bottom of a fire-rated door?
A.3/4 inch
B.1/8 inch
C.1/4 inch
D.1/2 inch
Explanation: NFPA 80, the Standard for Fire Doors and Other Opening Protectives, allows for a maximum clearance of 3/4 inch at the bottom of the door to allow for carpeting and thresholds while still preventing the spread of smoke and fire.
6What tool is essential for keeping the driver pins and springs in the bible of the cylinder when removing the plug?
A.Plug follower
B.Plug spinner
C.Pinning tweezers
D.Key extractor
Explanation: A plug follower is a precisely sized tool used to push the plug out of the cylinder while simultaneously holding the driver pins and springs in place, preventing them from falling out.
7When impressioning a lock, what does a small, shiny mark on the key blank typically indicate?
A.The correct pin height has been reached.
B.The pin is binding and needs to be filed.
C.The key blank is made of soft material.
D.The lock is worn out.
Explanation: During the impressioning process, wiggling the key causes binding pins to leave small, shiny marks on the key blank. These marks indicate where to file the key to create the correct cuts.
8A customer loses their keys and requests a new key for their home. What is the most responsible first question for the locksmith to ask?
A.Can you provide proof of identity and ownership of the property?
B.Do you want a master key system?
C.What is your budget for this service?
D.Have you checked with your neighbors?
Explanation: The most responsible first question for the locksmith to ask is for proof of identity and ownership of the property. This is a critical step in preventing unauthorized access to a property.
9What does 'keeper' refer to on an electric strike?
A.The movable part of the strike that traps and releases the latchbolt.
B.The person who is in charge of the access control system.
C.The small magnet that holds the strike in the frame.
D.The housing of the electric strike.
Explanation: The keeper is the pivoting or sliding component of the electric strike that holds the latchbolt of the lock. When the strike is energized (or de-energized, in the case of fail-safe), the keeper is released, allowing the door to be opened.
10On a pair of fire-rated doors, what hardware is required to ensure the inactive leaf closes first and stays closed?
A.An automatic coordinator and flush bolts.
B.A continuous hinge.
C.A door closer on each leaf.
D.A vertical rod exit device.
Explanation: A coordinator is a device that holds the active door open until the inactive leaf has closed, ensuring the doors close in the correct sequence. Flush bolts are then used to secure the inactive leaf to the frame at the top and bottom.

About the CRL Exam

The Certified Registered Locksmith (CRL) is the entry-level professional certification from ALOA, recognizing locksmiths who have demonstrated proficiency across 10 mandatory categories of locksmithing. Candidates must pass the mandatory exam (100 questions) plus 12 elective categories to earn the CRL designation. Higher tiers (CPL, CML) build on the CRL.

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$100 (member); $200 (non-member) (Associated Locksmiths of America (ALOA Security Professionals Association))

CRL Exam Content Outline

10%

Codes, Standards, and Laws

Building codes, fire codes, ADA requirements, and legal standards relevant to locksmithing.

15%

Key Bitting and Duplication

Key identification, key bitting specifications, key cutting machines, and key duplication procedures.

10%

Key Impressioning

Techniques and tools for creating keys by impressioning locks.

10%

Lockset Functions and Servicing

Lockset types, functions, installation, and servicing of residential and commercial locksets.

10%

Cabinet and Furniture Locks

Types, servicing, and keying of cabinet, desk, and furniture locks.

15%

Cylinder Servicing

Pin tumbler cylinder disassembly, rekeying, master pinning, and cylinder replacement.

15%

Basic Master Keying

Master key system design, charts, cross-keying prevention, and implementation.

10%

Safe and Vault Servicing

Safe lock types, combination changing, safe manipulation, and vault door servicing.

5%

Padlocks

Padlock types, servicing, rekeying, and combination padlock operation.

How to Pass the CRL Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 2 hours
  • Exam fee: $100 (member); $200 (non-member)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Frequently Asked Questions

What is the ALOA CRL certification?

The Certified Registered Locksmith (CRL) is the entry-level locksmith certification from ALOA Security Professionals Association. It validates proficiency across 10 mandatory categories including key bitting, lockset functions, cylinder servicing, and master keying.

How many questions are on the CRL exam?

The mandatory CRL exam consists of 100 questions covering 10 mandatory categories. Candidates need 70% or higher on each category to pass. Twelve elective category exams (each 25-40 questions, 70% to pass) are also required to earn full CRL status.

What does the CRL exam cost?

ALOA members pay approximately $100 for the CRL exam package, while non-members pay around $200. ALOA membership is approximately $145/year. Most candidates take the exam at the ALOA Security Professionals Convention or through approved proctored sites.

How do I become eligible for the CRL?

There is no specific experience requirement, but candidates should have foundational locksmithing knowledge. Most candidates complete an ALOA-PRP study course or have several years of locksmithing work experience before sitting for the exam.

What comes after the CRL?

After earning the CRL, locksmiths can pursue the Certified Professional Locksmith (CPL) by passing additional electives, then the Certified Master Locksmith (CML) by passing all remaining electives. Higher tiers signal advanced expertise to employers and clients.