Question # 1

The formula of momentum is:

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P=Fa

P=mv

F=ma

F=mg

Bimetal strip is made up of two different metal:

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Copper & iron

Brass & Iron

Brass & Nickel

Copper & Nickel

Center of gravity of an irregular shaped body can be found with help of:

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Screw guage

Plumbline

Meter rode

Wedge

Rate of change of velocity is known as.

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Acceleration

Speed

Velocity

Distance

Unit of moment arm (L) is:

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Meter

Mole

Newton

Nm

Decrease in atmospheric pressure predicts:

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Rainy condition

Intense condition

Windy Condition

Pleasant condition

Larger number of slots are made in radiators to increase:

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Surface temperature

Surface area

Both A and B

Nonr

Perpendicular / Hypotenuse is called :

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Cos 𝜽

Sin 𝜽

Tan 𝜽

Tan^-1 𝜽

A large water reservoir keeps the temperature of nearby land moderate due to

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Low temperature of water

Low specific heat of water

Less absorption of heat

Large specific heat of water

A couple consists of which type of forces :

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Like parallel

Unlike parallel

Not parallel

Nil

Sliding friction can be changed into rolling friction by using:

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Ball bearing

Roller bearing

Both a and b

None of these

Which of the following is an insulator?

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Wood

Glass

Plastic

Steel

False celling is done to

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Lower the height of ceiling

Keep the roof clean

cool and room

Insulate the ceiling.

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