Automobile Engine MCQ Questions & Answers

21

Most anti skid devices are employed on

A) Rear brakes B) Front brakes C) Secondary brakes D) Parking prakes

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Answer & Solution

Answer: Option B

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22

To correct heavy toe contact on ring gear teeth, move the

A) Ring gear towards pinion B) Ring gear away from pinion C) Drive pinion out and back lash D) Drive gear out

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Answer & Solution

Answer: Option C

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23

Caster is defined as the inclination of

A) Front wheel to the vertical B) The king pin axis in the before and after plane C) The king pin axis in the transverse vertical plane D) The axis of stub axle to the horizontal

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Answer & Solution

Answer: Option B

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24

With the increase of battery temperature, the specific gravity of electrolyte

A) Increases B) Decreases C) Remains the same D) None of these

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Answer & Solution

Answer: Option B

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25

An average crude oil yields about . . . . . . . . percentage of straight run gasoline.

A) 75% B) 25% C) 50% D) 100%

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Answer & Solution

Answer: Option B

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26

In drum type brake the fluid on releasing, returns to the master cylinder due to the action of the piston return spring and

A) By-pass port B) Whell cylinder spring C) Compensating port sping D) Bake shoe retractor

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Answer & Solution

Answer: Option B

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27

Which of the formula for Brake Thermal Efficiency is correct?

A) $${{BHP} \over {{m_f} \times {C_v}}}$$ B) $${{BHP \times 632 \cdot 5} \over {{m_f} \times {C_v}}}$$ C) $${{BHP \times 373} \over {{m_f} \times {C_v}}}$$ D) $${{BHP \times 223} \over {{m_f}}}$$

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Answer & Solution

Answer: Option B

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28

The advantage of having a tandem master cylinder arrangement in automobiles is that it

A) Enhances safety by serving two independent lines in a divided line brake circuit B) Enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss C) Supplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side D) Boosts the brake fluid pressure to reduce the force required to depress the brake pedal

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Answer & Solution

Answer: Option A

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29

The external radius of the cone clutch is 120 mm and the internal radius is 80 mm. The cone angle is kept at 20°. What is the effective mean radius assuming the uniform wear theory?

A) 292 mm B) 295 mm C) 100 mm D) 150 mm

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Answer & Solution

Answer: Option A

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30

Vacuum tank is connected to the value of brake booster through a . . . . . . . . Pipe?

A) Rubber B) Steel C) Copper D) None

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Answer & Solution

Answer: Option B

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Automobile Engine MCQ Questions & Answers | Automobile Engineering