🔧 ASVAB Auto & Shop Practice Test – 10 Questions with Answers & Explanations (202…

By andrea172 | Updated: May 1, 2025, 1:48 p.m.

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Welcome to your ASVAB Auto & Shop practice test! In this video, you'll tackle 10 high-quality multiple-choice questions specifically designed to mirror the difficulty and format of the Auto and Shop Information subtest on the ASVAB. Perfect for anyone preparing for the ASVAB 2025, this practice test covers key topics like: ✅ Automotive systems (cooling, ignition, electrical) ✅ Tool identification and usage ✅ Shop techniques and mechanical reasoning ✅ Fasteners, belts, gaskets, and more! ⏱️ Challenge yourself under timed conditions or pause to review each explanation. This is ideal for those entering the military or anyone wanting to improve their mechanical knowledge. 📚 Want more free ASVAB help? Check out our website at uniontestprep.com/asvab for additional practice tests, study guides, flashcards, and tips for every ASVAB section.

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There will be a brief pause after answer choices are given.
This is a good time to pause the video to solve.
asvab
What is the primary function of the carburetor in older gasoline engines?
cool the engine
A
regulate oil pressure
control spark timing
mix air and fuel
B
C
D
Question 1
Auto &
Shop
practice 
test
asvab
What is the primary function of the carburetor in older gasoline engines?
A
mix air and fuel
Question 1
Auto &
Shop
practice 
test
The carburetor’s main job is to blend air and fuel together in the right ratio for combustion. It uses engine vacuum to draw in air and fuel, ensuring the mixture burns efficiently. Modern engines have replaced carburetors with fuel injection systems for better performance and control.
asvab
Which component converts the engine’s linear motion into rotary motion?
spark plug
A
camshaft
crankshaft
piston
B
C
D
Question 2
Auto &
Shop
practice 
test
asvab
Which component converts the engine’s linear motion into rotary motion?
B
crankshaft
Question 2
Auto &
Shop
practice 
test
The crankshaft changes the pistons’ vertical movement into rotational motion, allowing the engine to drive the wheels.
asvab
In which situation would you use a tap and die set?
cutting threads in metal
A
testing compression
removing spark plugs
checking fuel pressure
B
C
D
Question 3
Auto &
Shop
practice 
test
asvab
In which situation would you use a tap and die set?
D
cutting threads in metal
Question 3
Auto &
Shop
practice 
test
A tap and die set is used to cut threads in metal—taps cut internal threads (like inside a hole for a bolt), while dies cut external threads (like on the outside of a rod to make a bolt). This is useful for creating or repairing threaded fasteners.
asvab
Which of the following best explains why a torque wrench is preferred over a standard wrench when tightening cylinder head bolts?
it is smaller and fits tight spaces
A
it ensures the bolt is not under-tightened or over-tightened
it prevents the bolt from breaking
it grips better
B
C
D
Question 4
Auto &
Shop
practice 
test
asvab
Which of the following best explains why a torque wrench is preferred over a standard wrench when tightening cylinder head bolts?
C
it ensures the bolt is not under-tightened or over-tightened
Question 4
Auto &
Shop
practice 
test
A torque wrench measures the force applied, which is critical for parts like cylinder heads that require precise clamping pressure. Incorrect torque can lead to gasket failure or warping.

asvab
What type of sander is depicted?
disc sander
A
drum sander
belt sander
random orbital sander
B
C
D
Question 5
Auto &
Shop
practice 
test
asvab
What type of sander is depicted?
A
random orbital sander
Question 5
Auto &
Shop
practice 
test
This tool is identified by its round sanding pad that moves in both a circular and elliptical motion, helping to prevent swirl marks while providing a smooth finish. It is commonly used for woodworking and finishing applications.

asvab
Which of the following components is most likely to be damaged if the engine overheats repeatedly?
brake rotor
A
head gasket
spark plug wires
serpentine belt
B
C
D
Question 6
Auto &
Shop
practice 
test
asvab
Which of the following components is most likely to be damaged if the engine overheats repeatedly?
C
head gasket
Question 6
Auto &
Shop
practice 
test
Overheating can warp engine parts and cause the head gasket (which seals the engine block and cylinder head) to fail. This can lead to coolant mixing with oil or loss of compression.

asvab
Which tool is best for making precise angle cuts in molding or trim work?
hacksaw
A
miter saw
jigsaw
band saw
B
C
D
Question 7
Auto &
Shop
practice 
test
asvab
Which tool is best for making precise angle cuts in molding or trim work?
C
miter saw
Question 7
Auto &
Shop
practice 
test
A miter saw can make accurate crosscuts and angled cuts, which is crucial for fitting trim or molding. It’s especially useful for making cuts at 45° or other common angles.

asvab
A mechanic uses a feeler gauge to:
tighten bolts
A
align the flywheel
measure gap width
test fuel pressure
B
C
D
Question 8
Auto &
Shop
practice 
test
asvab
A mechanic uses a feeler gauge to:
B
measure gap width
Question 8
Auto &
Shop
practice 
test
A feeler gauge consists of thin metal blades of varying thickness and is used to measure small gaps—like spark plug gaps or valve clearances—ensuring proper spacing for performance.

asvab
What does the timing belt in an internal combustion engine synchronize?
oil flow with coolant flow
A
crankshaft and camshaft rotation
fuel pressure with exhaust flow
battery output with ignition
B
C
D
Question 9
Auto &
Shop
practice 
test
asvab
What does the timing belt in an internal combustion engine synchronize?
C
crankshaft and camshaft rotation
Question 9
Auto &
Shop
practice 
test
The timing belt ensures that valves open and close in correct sequence with piston movement. If mistimed, engine performance suffers or internal damage can occur.

asvab
What type of screwdriver is designed to fit screws with an "X" shaped slot in the head?
Allen
A
 flathead
Phillips
Torx
B
C
D
Question 10
Auto &
Shop
practice 
test
asvab
What type of screwdriver is designed to fit screws with an "X" shaped slot in the head?
B
Phillips
Question 10
Auto &
Shop
practice 
test
A Phillips screwdriver has a cross-shaped tip that matches the X-slot in Phillips screws. This design helps prevent slippage and provides better torque transfer than flathead screws.

uniontestprep.com/asvab
Free Practice Tests, Study Guides, and Flashcards for the ASVAB

🔧 ASVAB Auto & Shop Practice Test – 10 Questions with Answers & Explanations (202…

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