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Current Affairs January 2024

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4

Clutch facings are usually attached to the plate by

A. Steel rivets

B. Brass rivets

C. Aluminium screws

D. Steel screws

Correct Answer :

B. Brass rivets


Related Questions

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4

The function of positive crankcase ventilation (PCV) system is that it

A. Mixes fuel with air

B. Promotes combustion by creating a swirling movement in the air-fuel mixture

C. Returns blow by gases from the crankcase to the intake system

D. Feeds blow by gases to the exhaust manifold

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4

A laminated glass upon cracking

A. Bursts into sharp edged fragments

B. Bursts into granular pieces

C. Sandwiched layer traps the fragments

D. Breaks into the form of crystals

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4

Damper in an automobile is used to

A. Absorb the energy

B. Dissipate the energy

C. Release the energy

D. Increase the energy

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4

The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called

A. Camber

B. Caster

C. Toe in

D. Toe out

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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 octane number of compressed natural gas (CNG) is

A. 90

B. 100

C. 110

D. 120

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4

In automobiles G.V.W. refers to

A. Gross vehicle width

B. Gross vehicle weight

C. Gross vehicle wheel base

D. Gross vehicle wheel track

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4

The aluminium alloy is used in cylinder blocks because

A. It is lighter and has good heat dissipation characteristics

B. Material cost is low

C. It does not require any cylinder liners

D. The piston is also made of aluminium alloy

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4

The negative plates of a lead acid battery has

A. Lead peroxide (PbO₂)

B. Spongy lead (Pb)

C. Lead sulphate (PbSO₄)

D. Sulphuric acid (H₂SO₄)

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4

The air gap between the central electrode and ground (or side) electrode of a spark plug is around

A. 0.2 mm

B. 0.5 mm

C. 1 mm

D. 1.5 mm

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4

The Diesel engines are also known as

A. Spark ignition (S.I.) engines

B. Compression ignition (C.I.) engines

C. Steam engines

D. None of these

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4

The specific gravity of Diesel is about

A. 0.65

B. 0.75

C. 0.85

D. 0.95

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4

The component that connects the steering rack to the knuckles is

A. Tie rod

B. Sector gear

C. Pivot

D. Spline

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4

The calorific value of Diesel is about

A. 36.5 MJ/kg

B. 38.5 MJ/kg

C. 42.5 MJ/kg

D. 45.5 MJ/kg

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4

The purpose of a balancer shaft is to

A. Balance the timing in the movement of the two groups of pistons

B. Increase inertia force of the rotating crankshaft

C. Reduce vibrations caused by the crankshaft rotation

D. Adjusts the timing of the intake and exhaust valve openings

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4

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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4

The valve tappet clearance is measured by

A. Screw pitch gauge

B. Engineering scale

C. Feeler gauge

D. Vernier caliper

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4

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

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4

A basic difference between the spark ignition engine and the Diesel engine is that the

A. Diesel engine compresses air alone instead of an air-fuel mixture

B. Air temperature ignites the fuel in the Diesel engine

C. Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke

D. All of the above

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4

The function of a connecting rod is

A. To turn the flywheel

B. To drive the drive plate

C. To drive the fuel pump

D. To transmit motion of the piston to the crankshaft

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4

The camshaft of a four stroke Diesel engine running at 1000 rpm will run at

A. 500 rpm

B. 1000 rpm

C. 2000 rpm

D. 4000 rpm

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4

The major purpose of an electronically controlled automatic transmission is that this type of transmission

A. Eliminates gear clutches

B. Eliminates the gear shaft lever

C. Reduces the number of automatic transmission components

D. Reduces shift shock and achieves more efficient transmission of engine torque

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4

The specific gravity of petrol is about

A. 0.75

B. 0.85

C. 0.95

D. 1.25

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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 function of an alternator in an automobile is to

A. Supply electric power

B. Converts mechanical energy into electrical energy

C. Continually recharges the battery

D. Partly converts engine power into electric power

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4

A clutch is usually designed to transmit maximum torque which is

A. Equal to the maximum engine torque

B. 80 % of the maximum engine torque

C. 150 % of the maximum engine torque

D. None of these

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4

In a Diesel engine, the function of a fuel injector is to

A. Mix the fuel and air

B. Ignite the air-fuel mixture

C. Provide flame front for ignition

D. Spray atomized fuel in the cylinder

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4

The correct flow of power through the drive train is

A. Engine drive shafts, clutch, main shaft, counter shaft, final driven gear, wheels

B. Engine clutch, main shaft, counter shaft, final driven gear, drive shafts, wheels

C. Engine clutch, counter shaft, main shaft, final driven gear, drive shafts, wheels

D. Engine main shaft, counter shaft, clutch, final driven gear, drive shafts, wheels

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4

The crankcase dilution means

A. Dilution of fuel in the crankcase

B. Dilution of oil by water in the crankcase

C. Dilution of lubrication oil by fuel in the crankcase

D. Dilution of mixture passing through crankcase in two stroke engines

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4

The included angle is the sum of the

A. Camber and castor

B. Castor and S.A.I.

C. Camber and S.A.I.

D. Camber and toe in