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4

An overinflated tyre will wear the tread most near the

A. Edges

B. Corners

C. Centre

D. None of these

Correct Answer :

C. Centre


Related Questions

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4

Free pedal play in car clutches is about

A. 15 mm

B. 25 mm

C. 40mm

D. 60 mm

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4

When a gear box has four forward speeds and one reverse speed, it is said to be a

A. 3-speed gear box

B. 4-speed gear box

C. 5-speed gear box

D. 6-speed gear box

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4

The function of a governor in automobiles is to

A. Limit the power

B. Limit the vehicle speed

C. Maintain constant engine speed

D. Maximise the fuel economy

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4

The caster is called positive when the top of the king pin is inclined to the

A. Rear of the vehicle

B. Front of the vehicle

C. Left of the vehicle

D. Right of the vehicle

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4

The compression ratio for Diesel engines usually lies in the range of

A. 6-10

B. 10-1

C. 15-25

D. 25-40

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4

Damper is also known as

A. Shock absorber

B. Torsion bar

C. Spring

D. Radius rod

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4

When the battery is half (50%) charged, the specific gravity of acid in a battery is usually

A. 0.74

B. 1.00

C. 1.12

D. 1.19

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4

The motion of the cam is transferred to the valves through

A. Pistons

B. Rocker arms

C. Camshaft pulley

D. Valve stems

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4

The characteristic that is enhanced by the use of cylinder sleeves is

A. Cooling efficiency

B. Resistance to wear

C. Lubrication performance

D. None of these

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4

The cetane number of a Diesel fuel is a measure of

A. Volatility

B. Viscosity

C. Ignition quality

D. Delay period

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4

The component of the oil filter that prevents the passage of metal particles and sludge is

A. Element

B. Relief valve

C. Check valve

D. Case

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4

The connecting rod lower end is connected to the relevant ________ of crankshaft.

A. Big end

B. Crank arm

C. Journal

D. Small end

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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

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4

The rolling resistance is because of the friction between the

A. Wheel rim and tyre

B. Tyre and the road surface

C. Wheel rim and road surface

D. None of these

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4

Petrol that detonates easily is called

A. High octane petrol

B. Low octane petrol

C. Unleaded petrol

D. Blended fuel

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4

The function of oil control rings is that it

A. Lubricates the cylinder wall by releasing oil from its hole

B. Keeps the cylinder wall lubricated by holding oil in its channel

C. Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan

D. Maintains a seal and prevents escape of burned gases and oil leakage

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4

The gear shift lever requires two separate motions to shift gears, and the first movement

A. Moves the synchronizer

B. Selects the synchronizer

C. Meshes the gears

D. Operates the clutch

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4

The best fuels for compression ignition engines are

A. Straight chain paraffin

B. Aromatics

C. Branched chain paraffin

D. Naphthalene

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4

The painting of automobiles is done to

A. Prevent rust from growing on the body

B. Improve its external appearance

C. Retain the characteristics of steel for long

D. All of these

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4

Cushioning springs in clutch plate reduces

A. Vehicle speed

B. Torsional vibrations

C. Jerky starts

D. None of these

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4

The characteristic that is enhanced by the honing of cylinder sleeves inner surface is

A. Cooling efficiency

B. Resistance to wear

C. Lubrication performance

D. None of these

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4

The engine oil is stored in __________ when the engine is not running.

A. Oil pan

B. Cylinder head

C. Oil pump

D. Separate oil tank

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4

How many cells are used in a 12 volt car battery?

A. 2

B. 4

C. 6

D. 8

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4

The service brakes employed in cars are generally operated

A. Mechanically

B. Hydraulically

C. Pneumatically

D. None of these

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4

The main merit of a multi cylinder type cylinder sleeve is

A. Smaller engine dimensions

B. Better cooling efficiency

C. High rigidity

D. None of these

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4

Two advantages of using helical gears rather than spur gears in a transmission system are

A. Strength and cost

B. Strength and less end thrust

C. Noise level and strength

D. Noise level and economy

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4

Odometer is an instrument used for measurement of

A. Power

B. Fuel consumption

C. Engine r.p.m.

D. Distance

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4

The number of exhaust manifolds in a V6 engine is

A. One

B. Two

C. Four

D. Eight

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4

In case of a Diesel car, the pressure at the end of compression is of the order of

A. 15 bar

B. 25 bar

C. 35 bar

D. 45 bar

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4

The valve tappet clearance is measured by

A. Screw pitch gauge

B. Engineering scale

C. Feeler gauge

D. Vernier caliper