Mechanical Engineering - Automobile Engineering

1. 

The frequency of flashing of light per minute in a direction (side turn) indicator is about

A. 9
B. 90
C. 900
D. 9000

Answer: Option B

Explanation:

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2. 

Thinner is added to the paint in order to

A. make pigments and resin mix easily
B. make paint film hard
C. optimise its viscosity
D. none of these

Answer: Option C

Explanation:

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3. 

The ease with which petrol vapourizes is called its

A. oxidation
B. octane number
C. volatility
D. cetane number

Answer: Option C

Explanation:

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4. 

A four-cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is

A. 400 cm3
B. 600 cm3
C. 1200 cm3
D. 2400 cm3

Answer: Option B

Explanation:

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5. 

An imbalance wheel during vehicle operation

A. makes large noise when its heavy point hits the road surface
B. deflects in the vehicle's longitudinal direction
C. bounces vertically or deflects from side to side (as seen from front or rear)
D. creates a standing wave

Answer: Option C

Explanation:

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