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This 50-question practice test is designed to help you prepare for the ALOA Certification Exam.
It includes a variety of topics related to locksmithing, such as mechanical hardware, key identification, lock function, codes and standards, and safe work practices.
Select the best answer from the options provided.
Good luck!
ALOA Locksmith Certification Practice Test
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Question 1 |
What type of key is used in a pin tumbler lock?
Bit key | |
Barrel key | |
Flat key | |
Skeleton key |
Question 2 |
What is the primary function of a master key?
To duplicate other keys | |
To operate multiple locks within a system | |
To rekey a lock | |
To open safes only |
Question 3 |
Which tool is used to pick a pin tumbler lock?
Tension wrench | |
Barrel key | |
Plug follower | |
Key extractor |
Question 4 |
Which of the following is a common lock cylinder format?
ISO | |
Schlage | |
ANSI | |
CSA |
Question 5 |
Which code series is used for automotive locks?
CA | |
E | |
VATS | |
H |
Question 6 |
Which part of a pin tumbler lock aligns when the correct key is inserted?
Key pins | |
Driver pins | |
Shear line | |
Core plug |
Question 7 |
A bump key is designed to:
Break a lock | |
Extract a key | |
Force pins above the shear line | |
Measure a keyway |
Question 8 |
Which key machine is used to duplicate standard house keys?
Tubular key machine | |
Micrometer | |
Duplicator | |
Punch machine |
Question 9 |
Which lock is commonly found on vending machines?
Disc detainer | |
Cam lock | |
Mortise lock | |
Rim lock |
Question 10 |
What is used to measure a key cut depth?
Vernier caliper | |
Depth gauge | |
Scriber | |
Plug spinner |
Question 11 |
Which component prevents the lock cylinder from turning freely?
Plug retainer | |
Set screw | |
Tension bar | |
Tailpiece |
Question 12 |
What is the main purpose of a plug follower?
Extract broken keys | |
Keep pins in place during cylinder removal | |
Pick locks | |
Align door hinges |
Question 13 |
What kind of key blank is used for high-security locks?
Bow blank | |
Dimple blank | |
Hollow blank | |
Bit blank |
Question 14 |
What part of the key is held when inserted into a lock?
Blade | |
Tip | |
Shoulder | |
Bow |
Question 15 |
Which is a standard lockset for commercial buildings?
Padlock | |
Mortise lock | |
Rim lock | |
Euro cylinder |
Question 16 |
Which term describes a series of locks all operated by different keys and one master?
Maison keying | |
Grand master system | |
Master key system | |
Single key system |
Question 17 |
Which ANSI grade offers the highest level of security?
Grade 1 | |
Grade 2 | |
Grade 3 | |
Grade 4 |
Question 18 |
Which part of a door lock turns to extend the latch bolt?
Latch | |
Thumbturn | |
Rose | |
Deadbolt |
Question 19 |
What is a key that can be inserted two ways and still function called?
Dual key | |
Bi-directional key | |
Reversible key | |
Modular key |
Question 20 |
What tool would you use to open a safe with a dial?
Scope | |
Auto dialer | |
Decoder | |
Lock jig |
Question 21 |
What is “impressioning”?
Copying a key without disassembling the lock | |
Duplicating a key | |
Key decoding | |
Lock picking |
Question 22 |
The function of a sidebar in a high-security cylinder is to:
Provide drill protection | |
Interact with key cuts to allow turning | |
Reset the driver pins | |
Retract the bolt |
Question 23 |
Which of these is NOT a legal consideration in locksmith work?
Customer ID verification | |
Lock-picking logs | |
Master license issuance | |
Customer phone number storage |
Question 24 |
What type of lock is found in filing cabinets?
T-handle lock | |
Warded lock | |
Wafer lock | |
Magnetic lock |
Question 25 |
What is a tubular lock most commonly used for?
Glass doors | |
Fire exits | |
Lockers | |
Bike locks |
Question 26 |
What is a “detainer” in a lock mechanism?
A type of keyway | |
A type of pin | |
A part that must be aligned for the lock to open | |
A lock cover |
Question 27 |
What lock type is most vulnerable to shimming?
Wafer lock | |
Deadbolt | |
Padlock | |
Disc detainer |
Question 28 |
Which of the following is a safe lock certification body?
CSA | |
UL | |
ISO | |
BSI |
Question 29 |
What is “rekeying”?
Replacing a lost key | |
Creating a master key | |
Changing the lock pins to fit a new key | |
Drilling out the lock |
Question 30 |
Which type of bolt resists being pushed back into the door?
Spring bolt | |
Latch bolt | |
Deadbolt | |
Swing bolt |
Question 31 |
What material is often used for lock pins?
Stainless steel | |
Brass | |
Plastic | |
Aluminum |
Question 32 |
A lock with no keyway and opened electronically is called:
Keypad lock | |
Digital deadbolt | |
Keyless entry | |
Proximity lock |
Question 33 |
What does a “ward” do in a warded lock?
Detect incorrect keys | |
Block incorrect key paths | |
Measure key cuts | |
Retain the plug |
Question 34 |
What is a “shackle” in a padlock?
Locking bar | |
Lock core | |
Hinged clasp | |
U-shaped locking part |
Question 35 |
A lock using rotating discs to align gates is:
Lever lock | |
Dimple lock | |
Disc detainer | |
Cam lock |
Question 36 |
Which tool allows the manipulation of lever locks?
Decoder pick | |
Pick gun | |
Snap gun | |
Safe scope |
Question 37 |
Key bitting refers to:
The shape of the key bow | |
The cuts made to align pins | |
The angle of the key tip | |
The direction of the key groove |
Question 38 |
A control key is used in what situation?
Rekeying a lock | |
Operating a master keyed lock | |
Removing a core from a lock | |
Resetting the combination |
Question 39 |
Which lock component holds the bolt in the extended position?
Spindle | |
Strike plate | |
Deadlatch | |
Actuator |
Question 40 |
Which standard relates to door hardware durability and strength?
NFPA | |
ANSI/BHMA | |
UL-437 | |
AIA |
Question 41 |
What is the term for a lock with a detachable core?
Interchangeable core | |
Control key lock | |
Coreless lock | |
Modular cylinder |
Question 42 |
A “comb pick” is used for which type of lock?
Pin tumbler | |
Warded | |
Wafer | |
Disc detainer |
Question 43 |
Which lock type is integrated into a door knob?
Mortise | |
Tubular | |
Cylindrical | |
Pin-in-pin |
Question 44 |
What is a common danger of using a plug spinner?
Pinching fingers | |
Breaking the lock | |
Over-rotating the cylinder | |
Flying parts |
Question 45 |
Which part of a lock system is mounted on the door frame?
Strike plate | |
Latch bolt | |
Escutcheon | |
Faceplate |
Question 46 |
Which of the following is used to decode a key without disassembly?
Decoder gauge | |
Micrometer | |
Dimple reader | |
Lishi tool |
Question 47 |
A lock system that uses magnets to function is:
Magnetic shear lock | |
Electromagnetic strike | |
Magnetic key lock | |
Magnetic latch |
Question 48 |
What is “warding” in lock terminology?
Preventing bump attacks | |
Blocking incorrect keys | |
Aligning key pins | |
Identifying key codes |
Question 49 |
What does a “deadlatch” feature prevent?
Picking | |
Shimming | |
Key duplication | |
Raking |
Question 50 |
What is a key “shoulder”?
Stop for proper key insertion | |
Key groove | |
Point of leverage | |
Key retention notch |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 50 questions to complete.
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