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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


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

  4. A.

    perfect gas

    B.

    air

    C.

    steam

    D.

    ordinary gas


  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


  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


  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