Automobile Engineering MCQs with answers Page - 3

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A

Admin • 828.03K Points
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Q. Fuel pump for diesel engine is

  • (A) electro-magnetically operated
  • (B) pneumatically operated
  • (C) mechanically operated
  • (D) electrically operated

A

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Q. The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as

  • (A) supercharging
  • (B) auto-ignition
  • (C) scavenging
  • (D) None of the above

A

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Q. Highest useful compression ratio is an indicator of

  • (A) knocking of a fuel at a particular pressure
  • (B) knocking of a fuel at a particular temperature
  • (C) knocking of a fuel in a particular engine
  • (D) knocking of a fuel under specified conditions in a standard engine

A

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Q. Which one of the following is antifriction bearing?

  • (A) Ball bearing
  • (B) Roller bearing
  • (C) Taper roller bearing
  • (D) Needle bearing

A

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Q. The ignition of the charge in spark ignition engine before spark occurs in spark plug, is known as

  • (A) auto-ignition
  • (B) pre-ignition
  • (C) detonation
  • (D) None of the above

A

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Q. The size of the engine intake valve is

  • (A) Same as that of exhaust valve
  • (B) Depends upon the temperature of ambient air
  • (C) Does not depends upon the size of the exhaust valve
  • (D) Smaller than that of exhaust valve

A

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Q. To avoid chances of maisalignment the bearing generally used is

  • (A) Taper roller bearing
  • (B) Self-aligning bearing
  • (C) Axial bearing
  • (D) Double row ball bearing

A

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Q. In the cam the distance between the base circle and the nose is called

  • (A) Displacement
  • (B) Lift
  • (C) Flank
  • (D) Lobe

A

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Q. Which one of the following does not form a part of the fuel supply
system for a Diesel engine?

  • (A) Injector
  • (B) Spray nozzles
  • (C) Air cleaner
  • (D) Filter

A

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Q. In case of four cylinder opposed cylinder engines, the firing order is

  • (A) 1-2-4-3
  • (B) 1-2-3-4
  • (C) 1-4-3-2
  • (D) 1-2-4-2

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