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Chemical Engineering :: Chemical Engineering Thermodynamics

  1. is the mathematical expression for

  2. A.
    specific heat at constant pressure (Cp).
    B.
    specific heat at constant volume (Cv).
    C.
    Joule-Thompson co-efficient.
    D.
    none of these.

  3. In case of a close thermodynamic system, there is __________ across the boundaries.

  4. A.
    no heat and mass transfer
    B.
    no mass transfer but heat transfer
    C.
    mass and energy transfer
    D.
    none of these

  5. As the temperature is lowered towards the absolute zero, the value of, then approaches

  6. A.
    unity
    B.
    zero
    C.
    that of the heat of reaction
    D.
    infinity

  7. The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by


  8. Which of the following is not affected by temperature changes ?

  9. A.
    Fugacity
    B.
    Activity co-efficient
    C.
    Free energy
    D.
    None of these

  10. For an ideal gas, the activity co-efficient is

  11. A.
    directly proportional to pressure.
    B.
    inversely proportional to pressure.
    C.
    unity at all pressures.
    D.
    none of these.

  12. Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

  13. A.
    ideal
    B.
    real
    C.
    isotonic
    D.
    none of these

  14. Generation of heat by friction is an example of a/an __________ change.

  15. A.
    isothermal
    B.
    irreversible
    C.
    adiabatic
    D.
    reversible

  16. A domestic refrigerator has a/an __________ cooled condenser.

  17. A.
    water
    B.
    air
    C.
    evaporative
    D.
    gas

  18. The extensive properties are

  19. A.
    volume, mass and number of moles.
    B.
    free energy, entropy and enthalpy.
    C.
    both (a) and (b).
    D.
    none of these.