Explain the Heat Engines ?

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Explain the Heat Vaporisation?

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What is the pitch?

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What is Amorphous ?

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While swimming, why do we press the water backward with our arms and hands ?

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If 2460 kj/kg of heat is addes to water at o C to produce wet steam at 1500 kpa, what is the dryness fraction?

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Why are the girders on the railway bridges fixed at one end only?

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How do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

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how many neutrons and how many protons are present in a single deuterium nucleus?

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Why dies a cyclist and the cycle fall forward, if he applies the brakes suddenly ?

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Explain the Washing soda ?

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Does water drain counterclockwise in the northern hemisphere and clockwise in the southern hemisphere?

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