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Chemical Engineering :: Chemical Engineering Thermodynamics

  1. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

  2. A.

     Increases

    B.

     Decreases

    C.

     Remains unchanged

    D.

     May increase or decrease; depends on the gas


  3. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

  4. A.

     Reaction mechanism

    B.

     Calculation of rates

    C.

     Energy transformation from one form to the another

    D.

     None of these


  5. A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

  6. A.

     Less than

    B.

     More than

    C.

     Equal to or higher than

    D.

     Less than or equal to


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

  8. A.

     No heat and mass transfer

    B.

     No mass transfer but heat transfer

    C.

     Mass and energy transfer

    D.

     None of these


  9. Clausius - Clayperon equation is applicable to __________ equilibrium processes.

  10. A.

     Solid-vapor

    B.

     Solid-liquid

    C.

     Liquid-vapor

    D.

     All of the above


  11. In any spontaneous process, the __________ free energy decreases.

  12. A.

     Helmholtz

    B.

     Gibbs

    C.

     Both A & B

    D.

     Neither A nor B


  13. Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

  14. A.

     Below

    B.

     At

    C.

     Above

    D.

     Either B or C


  15. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

  16. A.

     Zeroth

    B.

     First

    C.

     Second

    D.

     Third


  17. Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

  18. A.

     1st

    B.

     Zeroth

    C.

     3rd

    D.

     None of these


  19. A refrigerator works on the principle of __________ law of thermodynamics.

  20. A.

     Zeroth

    B.

     First

    C.

     Second

    D.

     Third