Fuel Supply System MCQ Questions & Answers

31

Which of the following statements correctly describes the construction of a fuel injector?

A) A fuel injector consists of a solenoid, an intake manifold, and a plunger housing B) A fuel injector consists of a solenoid, a plunger needle valve, and a plunger housing C) A fuel injector consists of a solenoid, a plunger needle valve, and a fuel rail D) A fuel injector consists of a ECU, a plunger needle valve, and a plunger

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Answer & Solution

Answer: Option B

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32

Which of the following is main cracking processes?

A) Thermal cracking B) Hydro cracking C) Fluid catalytic cracking D) All are correct

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Answer & Solution

Answer: Option D

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33

The fluid drawn in during suction in petrol engine contains

A) Fuel only B) Fuel or air C) Air only D) Mixture of air and fuel

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Answer & Solution

Answer: Option D

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34

The main advantage of petrol injection system is

A) High quality fuel distribution B) Less fuel consumption C) Rapid response of the engine to throttle control D) All of these

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Answer & Solution

Answer: Option D

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35

Ignition quality of diesel fuel oil is expressed by an index called

A) Cetane number B) Calorific value C) Octane number D) None of the above

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Answer & Solution

Answer: Option A

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36

The working fluid for a diesel engine during the suction stroke is

A) Fuel-air mixture B) Fresh air C) Produce of combustion D) None of the above

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Answer & Solution

Answer: Option B

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37

Self-ignition temperature of diesel as compared to petrol

A) Is higher B) Is lower C) Is same D) Varies considerably

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Answer & Solution

Answer: Option A

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38

All the commercial liquid fuel are derived from

A) Coal B) Crude oil C) Gasoline D) Fuel oil

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Answer & Solution

Answer: Option B

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39

The air/fuel ratio in a petrol engine is controlled by

A) Governor B) Injector C) Carburettor D) Flywheel

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Answer & Solution

Answer: Option C

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40

The carburettor provides correct amount of air-fuel mixture during

A) Starting B) Idling C) Acceleration D) All conditions

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Answer & Solution

Answer: Option D

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Fuel Supply System MCQ Questions & Answers | Automobile Engineering