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Mechanical Engineering :: Thermodynamics

  1. The molecular mass of a substance is the number of times a molecule of that substance is heavier than the hydrogen atom.

  2. A.

    True

    B.

    False

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  3. The behaviour of super-heated vapour is similar to that of

  4. A.

    perfect gas

    B.

    air

    C.

    steam

    D.

    ordinary gas

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  5. Briquetted coal is produced from the finely ground coal by moulding under pressure with or without a binding material.

  6. A.

    True

    B.

    False

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  7. Which of the following is a reversible non-flow process?

  8. A.

    Isochoric process

    B.

    Isobaric process

    C.

    Hyperbolic process

    D.

    all of these

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  9. If in the equation pvn = C, the value of n = \(\infty\) , then the process is called

  10. A.

    constant volume process

    B.

    adiabatic process

    C.

    constant pressure process

    D.

    isothermal process

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