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Define unit?

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Convert 20,000g into kilograms?

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Why water tanks are placed on the roof of top floor?

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Write the applications of altimeter

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Why do hot air balloons rise up?

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How atmospheric pressure varies with altitude?

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What is the funcion of large bends in pipes?

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Write ant two applications of neumatics.

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Defiine the unit of pressure?

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Why one end of the iron girders is placed on rollers in construction of bridges?

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What happens to the tyres fully filled with air in the hot afternoon?

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What are measuring instruments?

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How can we control the temperature in electrical appliances ?

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How parallax error occur?

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Give the importance of pneumatics in dailly life?

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What do you know about aerosols ?

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How a metal tyre is fixed over the wheel?

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Write two uses of compressed air.Write two uses of compressed air.

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Write the function of sag in overhead power lines and telephone wires?

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Give the use of atmospheric pressure?

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