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Mechanical Engineering :: Thermodynamics

  1. The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

  2. A.

    workdone

    B.

    entropy

    C.

    enthalpy

    D.

    none of these

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  3. The value of 1 mm of Hg is equal to

  4. A.

    1.333 N/m2

    B.

    13.33 N/m2

    C.

    133.3 N/m2

    D.

    1333 N/m2

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  5. One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.8/3

  6. A.

    8/3

    B.

    11/3

    C.

    11/7

    D.

    7/3

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  7. The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

  8. A.

    Boyle's law

    B.

    Charles' law

    C.

    Gay-Lussac law

    D.

    all of these

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  9. The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.

  10. A.

    Correct

    B.

    Incorrect

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