Mechanical Engineering - Automobile Engineering

1. 

If the valve clearances are excessively large, the problem that can arise is

A. overheating of the engine
B. incomplete valve closure
C. fouling of spark plug by gasoline
D. none of these

Answer: Option B

Explanation:

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2. 

The power source for a brake booster is

A. exhaust manifold pressure
B. electricity
C. the pressure difference between the atmospheric pressure and the vaccum pressure in the intake manifold
D. hydraulic pump

Answer: Option C

Explanation:

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3. 

The Diesel engines are also known as

A. spark ignition (S.I.) engines
B. compression ignition (C.I.) engines
C. steam engines
D. none of these

Answer: Option B

Explanation:

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4. 

The specific gravity of acid in a fully charged battery is generally

A. 1.00
B. 1.28
C. 1.82
D. 2.81

Answer: Option B

Explanation:

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5. 

The brake pedal during ABS operation

A. is pushed upward forcefully
B. pedal stroke becomes longer
C. transmits slight kickback to the driver's foot
D. all of the above

Answer: Option C

Explanation:

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