Mechanical Engineering - Automobile Engineering

31. 

The torque converter uses __________ to transfer torque.

A. air
B. automatic transmission fluid (ATF)
C. gears
D. steel belt

Answer: Option B

Explanation:

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32. 

In a Diesel engine, the function of a fuel injector is to

A. mix the fuel and air
B. ignite the air-fuel mixture
C. provide flame front for ignition
D. spray atomized fuel in the cylinder

Answer: Option D

Explanation:

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33. 

The firing order for an opposed four cylinder l.C. engine is

A. 1-2-3-4
B. 1-3-4-2
C. 1-4-3-2
D. 1-3-24

Answer: Option C

Explanation:

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34. 

The function of positive crankcase ventilation (PCV) system is that it

A. mixes fuel with air
B. promotes combustion by creating a swirling movement in the air-fuel mixture
C. returns blow-by gases from the crankcase to the intake system
D. feeds blow-by gases to the exhaust manifold

Answer: Option C

Explanation:

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35. 

The two kinds of piston rings are

A. compression and oil-control rings
B. compression and sliding seal rings
C. oil scrapper and oil-control rings
D. pressure and sealing rings

Answer: Option A

Explanation:

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