Mechanical Engineering - Automobile Engineering

36. 

The maximum torque multiplication ratio in a torque converter is about

A. 2.5
B. 10
C. 25
D. 40

Answer: Option A

Explanation:

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37. 

The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is

A. brake pedal - master cylinder - brake lines - vacuum servo mechanism - brake pads
B. brake pedal - vacuum servo mechanism - master cylinder - brake lines - brake pads
C. brake pedal - master cylinder - vacuum servo mechanism - brake lines - brake pads
D. brake pedal - brake lines - vacuum servo mechanism - master cylinder - brake pads

Answer: Option B

Explanation:

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38. 

The composition of the electrolyte in a fully charged battery is that

A. the electrolyte is pure distilled water
B. the electrolyte is pure sulphuric acid
C. the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
D. the electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight

Answer: Option C

Explanation:

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39. 

The basic purpose of a four wheel drive (4WD) system is that it

A. delivers improved cornering on dry road surfaces
B. eliminates the need of snow tyres, tyre chains, etc.
C. ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
D. ensures that effective braking can be performed, even on slippery surfaces

Answer: Option C

Explanation:

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40. 

The heat transfer from coolant to air in the radiator of an automobile engine takes place by

A. radiation only
B. convention only
C. convection and radiation
D. conduction, convection and radiation

Answer: Option C

Explanation:

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