Question # 1

Cream separater works on:

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Centrifuge principle

Centripetal force

Both

None

If force is capable of rotation a body in clockwise direction it is :`

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Clockwise

Anticlockwise

It has no direction

Nil

In screw gauge if zero of circular scale is behind the index line is called error.

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Positive

Zero

Negative

None of these

Expansion in one meter steel is:

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1.0 mm

0.1 mm

1.0 mm

1.3 mm

Which parameter remain same every where?

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Force

Mass

Weight

Velocity

The value of 'g' on the surface of Mars:

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3.73 ms^-2

1.62 ms^-2

Zero

Constant

When equal opposite forces are added then the resultant force is ______________

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Double

Triple

Zero

None of these

A minor but sudden fall in atmospheric pressure is followed by

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a storm and a rain

an intense weather

a pleasant weather

a poor weather

What will be the magnitude of work if a force of 25N pulls a stone through a distance of 5 m in its directions

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25 J

50 J

75 J

125 J

Which of the following is a good radiator of heat?

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A shining slivered surface

A dull black surface

A white surface

A green coloured surfaced

Shining silvered surface is a best:

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Emitter

Absorber

Reflector

None of these

_____________ is related to earth attractive force.

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Centre of gravity

Acceleration

Velocity

Nil

The ability of a body to do work is known as

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power

energy

kinetic energy

potential energy

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