ASVAB Auto and Shop Information Practice Test 2: Vehicle Systems and Shop Tools
- Vehicle Systems, Shop Tools and Measuring
- 10 questions
- 8 minutes
The first half of this test covers how car systems work, from the radiator to the differential; the second half covers common hand tools and what each one is for.
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Question 1
What is the job of the radiator in a car's cooling system?
Correct answer: C
Hot coolant flows through the thin tubes and fins of the radiator, where passing air carries the heat away. The water pump, not the radiator, moves the coolant.
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Question 2
When the key is turned or the start button is pressed, which part turns the crankshaft to start the engine?
Correct answer: D
The starter is an electric motor that spins the engine until it runs on its own. The alternator only produces electricity once the engine is already running.
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Question 3
In a car with a manual transmission, what does the clutch do?
Correct answer: A
Pressing the clutch pedal separates the engine from the transmission so the driver can change gears; releasing it reconnects them.
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Question 4
Why does a car need a differential on its drive axle?
Correct answer: B
In a turn the outer wheel travels farther than the inner wheel, so it must spin faster. The differential splits the power so each wheel can turn at its own speed.
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Question 5
Blue-gray smoke coming from a car's exhaust most often means that the engine is
Correct answer: A
Blue-gray smoke usually means oil is leaking into the combustion chambers, often past worn piston rings or valve seals. Thick white smoke points to coolant, and black smoke to too much fuel.
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Question 6
What is the main job of the shock absorbers on a vehicle?
Correct answer: D
The springs carry the weight of the vehicle; the shock absorbers damp their motion so the car does not keep bouncing after a bump.
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Question 7
Which saw is designed for cutting curves and detailed shapes in thin wood?
Correct answer: B
A coping saw has a thin blade held in a deep U-shaped frame, so it can follow tight curves. Crosscut and rip saws make straight cuts, and a hacksaw is for metal.
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Question 8
A machinist uses a tap to
Correct answer: C
A tap cuts internal threads so a bolt or screw can be turned into the hole. A die is the matching tool that cuts external threads on a rod.
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Question 9
A ball-peen hammer is mainly used for
Correct answer: D
The rounded peen shapes metal and sets rivets, and the flat face strikes punches and chisels. Pulling nails is the job of a claw hammer.
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Question 10
A carpenter uses a combination square mainly to
Correct answer: A
A combination square has a sliding ruler and a head with 90° and 45° faces, so it can mark and check square and miter cuts.
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