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Chemical Engineering Thermodynamics - Section 1
Chemical Engineering Thermodynamics - Section 2
Chemical Engineering Thermodynamics - Section 3
Chemical Engineering Thermodynamics - Section 4
Chemical Engineering Thermodynamics - Section 5
Chemical Engineering Thermodynamics - Section 6
Chemical Engineering Thermodynamics - Section 7
Chemical Engineering Thermodynamics - Section 8
Chemical Engineering Thermodynamics - Section-9
  1. When dilute aqueous solutions of two salts are mixed, the process is associated with

    2. A.

     Decrease in temperature
    B.

     Increase in temperature
    C.

     No change in temperature
    D.

     Change in temperature which is a function of composition

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  2. A system is said to be isopiestic, if there is no __________ change.

    3. A.

     Temperature
    B.

     Pressure
    C.

     Volume
    D.

     None of these

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  3. The third law of thermodynamics states that the

    4. A.

     Heat capacity of a crystalline solid is zero at absolute zero temperature
    B.

     Heat transfer from low temperature to high temperature source is not possible without external work
    C.

     Gases having same reduced properties behave similarly
    D.

     None of these

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  4. Cp of a gas at its critical temperature and pressure

    5. A.

     Becomes zero
    B.

     Becomes infinity
    C.

     Equals 1 kcal/kmol °K
    D.

     Equals 0.24 kcal/kmol °K

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  5. Heat of reaction at constant volume is identified with __________ change.

    6. A.

     Enthalpy
    B.

     Internal energy
    C.

     Either A or B
    D.

     Neither A nor B

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  6. Change of state namely evaportation condensation, freezing and melting is an __________ process.

    7. A.

     Isothermal
    B.

     Adiabatic
    C.

     Isobaric
    D.

     Isochoric

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  7. The most important application of distribution law is in

    8. A.

     Evaporation
    B.

     Liquid extraction
    C.

     Drying
    D.

     Distillation

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  8. The energy of activation of exothermic reaction is

    9. A.

     Zero
    B.

     Negative
    C.

     Very large compared to that for en-dothermic reaction
    D.

     Not possible to predict

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  9. The equation Tds = dE - PdV applies to

    10. A.

     Single phase fluid of varying composition
    B.

     Single phase fluid of constant composition
    C.

     Open as well as closed systems
    D.

     Both B and C

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  10. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

    11. A.

     5.2
    B.

     6.2
    C.

     0.168
    D.

     Data insufficient, can't be found out

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