Home / Chemical Engineering / Chemical Engineering Thermodynamics :: Section 2

Chemical Engineering :: Chemical Engineering Thermodynamics

  1. Refrigeration capacity of a household refrigerator may be round about __________ tons.

  2. A.
    0.15
    B.
    1.5
    C.
    4.5
    D.
    6.5

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. is the mathematical expression for

  4. A.
    CV
    B.
    entropy change
    C.
    Gibbs free energy
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. An ideal gas is taken around the cycle ABCA as shown in P-V diagram below :

    The work done by the gas during the cycle is equal to

  6. A.
    12 P1V1
    B.
    6 P1 V1
    C.
    3 P1V1
    D.
    P1 V1

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. Chemical potential is a/an

  8. A.
    extensive property.
    B.
    intensive property.
    C.
    force which drives the chemical system to equilibrium.
    D.
    both (b) and (c).

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.

  10. A.
    adiabatic
    B.
    reversible
    C.
    isothermal
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

  12. A.
    increases
    B.
    decreases
    C.
    remains unchanged
    D.
    decreases linearly

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Co-efficient of Performance (COP) of a refrigerator is the ratio of the

  14. A.
    work required to refrigeration obtained.
    B.
    refrigeration obtained to the work required.
    C.
    lower to higher temperature.
    D.
    higher to lower temperature.

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is

  16. View Answer

    Workspace

    Discuss Discuss in Forum


  17. dW and dq are not the exact differential, because q and W are

  18. A.
    state functions
    B.
    path functions
    C.
    intensive properties
    D.
    extensive properties

    View Answer

    Workspace

    Discuss Discuss in Forum