Automobile Engineering MCQs with answers Page - 1

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Q. The purpose of the dynamo in an automobile is to

  • (A) Act as a reservoir of electrical energy
  • (B) Convert mechanical energy into electrical energy
  • (C) Supply electric power
  • (D) Continually recharge the battery

A

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Q. In a vehicle if there is no king pin offset

  • (A) Starting steering effort will be high
  • (B) Starting steering effort will be zero
  • (C) bracking effort will be high
  • (D) Wobbling of wheels will increase

A

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Q. In a four stroke engine, for the combustion of one litre of fuel, the
volume of air required would be approximately

  • (A) 5 - 7 cu-m
  • (B) 15 - 16 cu-m
  • (C) 9 - 10 cu-m
  • (D) 1 cu-m

A

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Q. The number of revolutions per km for a free rolling tyre are less than that calculated from its static radius. This difference in number of revolutions is due to

  • (A) hysteresis of the tyre materials which make the dynamic loaded radius somewhat larger than the static radius
  • (B) forces in the contact area that cause slight forward of the tread
  • (C) either of A and B
  • (D) None of the above

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Q. The reaction time of an average driver from recognizing an obstacle is taken as

  • (A) 0.5 to 1.7 seconds
  • (B) 4.5 to 7.0 seconds
  • (C) 3.5 to 4.5 seconds
  • (D) 2 to 3.5 seconds

A

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Q. The fuel is injected into the cylinder in Diesel engine when the piston is

  • (A) Pump the fuel to the injector
  • (B) Exactly at T.D.C. after compression stroke
  • (C) Approaching T.D.C. during compression stroke
  • (D) Just after T.D.C. during exhaust compression stroke

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Q. Dilution of lubricating oil is caused by

  • (A) Solid contaminants like dust, etc.
  • (B) Solid combustion residues
  • (C) Worn off particles
  • (D) Fuels

A

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Q. The function of oil scraper rings is to

  • (A) Lubricate cylinder walls
  • (B) Retain compression
  • (C) Reduce piston wear
  • (D) Maintain vacuum

A

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Q. Speedometer drive is usually taken from

  • (A) Gear box
  • (B) Fan belt
  • (C) Front wheel
  • (D) Dynamo

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