MS POWER POINT QUIZ

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

1.12

1

0.74

1.19

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The crescent shaped cavity on the piston head top surface is called as

Piston oil hole

Valve recess

Snap ring

Valve clearance

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Vulcanizing means

Melting rubber while stirring it

Heating rubber under pressure

None of the listed here

Spraying with special paint

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The negative plates of a lead acid battery has

Spongy lead (Pb)

Lead peroxide (PbO₂)

Lead sulphate (PbSO₄)

Sulphuric acid (H₂SO₄)

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

Delivers improved cornering on dry road surfaces

Ensures that effective braking can be performed, even on slippery surfaces

Eliminates the need of snow tyres, tyre chains, etc.

Ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces

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

Returns blow by gases from the crankcase to the intake system

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

Mixes fuel with air

Feeds blow by gases to the exhaust manifold

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The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as

Indicator diagram

Axial force diagram

Valve timing diagram

None of these

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

Camber

Toe out

Toe in

Caster

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The temperature indicating instrument in vehicles indicates the temperature of

Jacket cooling water

Lubricating oil

Engine cylinder

Engine piston

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The material generally used for cylinder sleeves is

Ceramic

Fibre reinforced plastic

Cast iron

Aluminium

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