Fuel Supply System MCQ Questions & Answers

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In Spark Ignition (SI) engines, the possibility of knocking can be reduced by

A) Increasing compression ratio B) Decreasing compression ratio C) Increasing the coolant temperature D) Advancing the spark timing

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . to control surface ignition and sparkpluq fouling.

A) Detergents B) Phosphorus compounds C) Anti-icers D) All are correct

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The important components of the fuel injection system are

A) Injection pump B) Filters C) Injectors D) All are correct

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Oxides of nitrogen are formed when the products of combustion are heated above

A) 300°F B) 1000°F C) 3000°F D) 5000°F

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

For diesel fuels the pour point for special grade is

A) 6°C B) 20°C C) 100°C D) 106°C

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Drain plug is fitted at the . . . . . . . . portion of the tank.

A) Lowest B) Highest C) Middle D) None of these

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Cetane

A) Helps detonation B) Is a paraffin C) Determines the efficiency D) None of these

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the remedy of "Thick gasket used for mounting fuel pump to block"?

A) Tighten these fully B) Use thinner gasket C) Replace with new one D) None of these

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The air-fuel mixture required at the time of engine start is

A) Rich mixture B) Stoichiometric mixture C) Lean mixture D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following is the type of pumps used?

A) Mechanical fuel pump B) Electrical fuel pump C) Both the fuel pumps D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Fuel Supply System MCQ Questions & Answers | Automobile Engineering