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Mechanical Engineering :: Thermodynamics

  1. Which of the following is the extensive property of a thermodynamic system?

  2. A.

    Pressure

    B.

    Volume

    C.

    Temperature

    D.

    Density

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  3. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.

  4. A.

    Correct

    B.

    Incorrect

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  5. One kilowatt is equal to

  6. A.

    1 N-m/s

    B.

    100 N-m

    C.

    1000 N-m/s

    D.

    1 x 106 N-m/s

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  7. Second law of thermodynamics defines

  8. A.

    heat

    B.

    work

    C.

    internal energy

    D.

    entropy

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  9. Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

  10. A.

    Zeroth law of thermodynamics

    B.

    First law of thermodynamics

    C.

    Second law of thermodynamics

    D.

    Kinetic theory of gases

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