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Chemical Engineering :: Chemical Engineering Thermodynamics

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 is an example of closed system ?

    2. A.
    Air compressor
    B.
    Lquid cooling system of an automobile
    C.
    Boiler
    D.
    None of these

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  2. Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is

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  3. Melting of wax is accompanied with __________ in entropy.

    4. A.
    increase
    B.
    decrease
    C.
    no change
    D.
    none of these

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  4. A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram.

    The net work done during the complete cycle is given by the area covered by

    5. A.
    P1ACBP2P1
    B.
    ACBB1A1A
    C.
    ACBDA
    D.
    ADBB1A1A

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  5. Work done in case of free expansion is

    6. A.
    indeterminate
    B.
    zero
    C.
    negative
    D.
    none of these

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  6. During adiabatic expansion of gas

    7. A.
    pressure remains constant.
    B.
    pressure is increased.
    C.
    temperature remains constant.
    D.
    none of these.

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