(Armed Services Vocational Aptitude Battery Test) The ASVAB practise exams and all other resources on this website are totally free.There are difficult practise questions in each of our free ASVAB tests. Here are a few examples of questions from the ASVAB's Auto Information section that focus on car technology. To see the response, click on an option next to each query.

ASVAB Exams Practice test No.8 Auto Information (AI)

Q1. What is Diesel calorific value?

A) 52.5 MJ/kg

B) 42.5 MJ/kg

C) 55.5 MJ/kg

D) 60.5 MJ/kg Diesel fuel has a calorific value of about 45.5 MJ/kg (megajoules per kilogramme), which is slightly less than that of gasoline (45.8 MJ/kg). Diesel fuel, on the other hand, is denser than gasoline.

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Q2. Why is a battery called an electrochemical device?

A) produces electricity through mechanical action.

B) produces electricity through chemical reaction.

C) produces electricity.

D) produces electricity through frictional force.

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Q3. What are the advantages of using tubeless tires?

A) improved fuel economy

B) fewer chances of a flat tyre

C) a slight air leak

D) All of the above.

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ASVAB Exams Practice test No.7 Auto Information (AI)

Q4. Gasoline or petrol that detonates easily is called

A) Unleaded Gasoline

B) High octane Gasoline

C) Low octane Gasoline

D) All of the above

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Q5. The actual power generated inside the engine cylinder is called as

A) Friction power

B) Balanced power

C) Brake power

D) Indicated power

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Q6. How many cells are used in a 12 volt car battery?

A) 8

B) 3

C) 6

D) 10

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ASVAB Exams Practice test No.7 Auto Information (AI)

Q7. The temperature indicating instrument in vehicles, indicates the temperature of

A) Jacket cooling water

B) oil

C) cylinder

D) piston

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Q8. What is the rpm of the camshaft of a four-stroke diesel engine running at 1000 rpm?

A) 3000 rpm

B) 2000 rpm

C) 1000 rpm

D) 500 rpm As a result, during the two crankshaft rotations, the camshaft ran once for each valve (input and output valve). So, the camshaft needs to turn at 500 rpm to achieve 1000 rpm.

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Q9. What is the function of the antilock brake system (ABS)?

A) decreases brake fade

B) prevents the wheels from locking up while braking, maintaining directional control.

C) minimises stopping distance

D) prevents nose dives while braking, delaying the onset of wheel locking.

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ASVAB Exams Practice test No.7 Auto Information (AI)

Q10. battery can be charged by

A) Adding sulphuric acid

B) Applying a voltage in the same direction to that of charging

C) charging with voltage applied in the opposite direction

D) Adding distilled water

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Q11. What is gasoline calorific value?

A) 32.7-33.5 MJ/kg

B) 42.7-43.5 MJ/kg

C) 52.7-53.5 MJ/kg

D) 32.7-53.5 MJ/kg

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Q12. In a 4-cylinder 4-stroke engine, how many explosions occur in one minute when the engine ts running at 4,000 rpm?

A) 8,000

B) 4,000

C) 2,000

D) 1,000

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Q13. What is the use of welding?

A) Painting

B) Cutting

C) joining

D) None of the above

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ASVAB Exams Practice test No.7 Auto Information (AI)

Q14. What should you do when your vehicle loses acceleration?

A) check the fuel

B) Change vehicle

C) press harder on the gas pedal

D) nothing

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Q15. What mechanism enables the left and right wheels to rotate at different rates during turns?

A) camshaft

B) differential

C) tyre

D) Gear

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Q16. Typically, a two-stroke engine can be found on

A) chainsaws

B) snowmobiles

C) some motorcycles

D) All of the above

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ASVAB Exams Practice test No.7 Auto Information (AI)

Q17. Usually, the crankshaft is connected to a

A) flywheel

B) exhaust

C) wheel

D) Air duct

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Q18. A cam belt is also known as a

A) trowel

B) muffler

C) timing belt

D) alternator

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Q19. When a car's ignition system, lights, and radio don't function, the most likely faulty component is the

A) Fuel tank

B) battery

C) cylinder block

D) Brakes

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Q20. The mechanism that transforms the mechanical energy of an automobile into electrical energy is known as the

A) alternator

B) Injector

C) cylinder

D) flywheel

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Your Score:

(Armed Services Vocational Aptitude Battery Test) The ASVAB practise exams and all other resources on this website are totally free.There are difficult practise questions in each of our free ASVAB tests. Here are a few examples of questions from the ASVAB's Auto Information section that focus on car technology. To see the response, click on an option next to each query.

ASVAB Exams Practice test No.7 Auto Information (AI)