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Mechanical Engineering :: Thermodynamics

  1. One Joule (J) is equal to

  2. A.

    1 N-m

    B.

    1 kN-m

    C.

    10 N-m/s

    D.

    10 kN-m/s


  3. When the expansion or compression takes place according to the law pvn = C, the process is known as

  4. A.

    isothermal process

    B.

    adiabatic process

    C.

    hyperbolic process

    D.

    polytropic process


  5. The entropy is a point function and thus it is a property of the same.

  6. A.

    Correct

    B.

    Incorrect


  7. The state of a substance whose evaporation from its liquid state is complete, is known as

  8. A.

    vapour

    B.

    perfect gas

    C.

    air

    D.

    steam


  9. An open cycle gas turbine works on

  10. A.

    Carnot cycle

    B.

    Otto cycle

    C.

    Joule's cycle

    D.

    Stirling cycle