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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. Which of the following is not a common refrigerant ?

    2. A.
    Freon-12
    B.
    Ethylene
    C.
    Ammonia
    D.
    Carbon dioxide

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  2. The most important application of distribution law is in

    3. A.
    evaporation
    B.
    liquid extraction
    C.
    drying
    D.
    distillation

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  3. Pick out the correct statement.

    4. A.
    Entropy and enthalpy are path functions.
    B.
    In a closed system, the energy can be exchanged with the surrounding, while. matter can not be exchanged.
    C.
    All the natural processes are reversible in nature.
    D.
    Work is a state function.

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  4. Air-refrigeration cycle

    5. A.
    is the most efficient of all refrigeration cycles.
    B.
    has very low efficiency.
    C.
    requires relatively large quantities of air to achieve a significant amount of refrigeration.
    D.
    both (b) and (c).

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  5. 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

    6. A.
    5.2
    B.
    6.2
    C.
    0.168
    D.
    data insufficient, can't be found out

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  6. The compressibility factor for an ideal gas is 1. Its value for any other real gas is

    7. A.
    1
    B.
    < 1
    C.
    > 1
    D.
    either (b) or (c), depends on the nature of the gas

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  7. If two gases have same reduced temperature and reduced pressure, then they will have the same

    8. A.
    volume
    B.
    mass
    C.
    critical temperature
    D.
    none of these

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  8. Which of the following is an extensive property of a system ?

    9. A.
    Heat capacity
    B.
    Molal heat capacity
    C.
    Pressure
    D.
    Concentration

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  9. Cp - Cv = R is valid for __________ gases.

    10. A.
    ideal
    B.
    all
    C.
    very high pressure
    D.
    very low temperature

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

    11. A.
    increases
    B.
    decreases
    C.
    remains unchanged
    D.
    may increase or decrease; depends on the gas

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