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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. Claude gas liquefaction process employs cooling

    2. A.

     At constant pressure
    B.

     By throttling
    C.

     By expansion in an engine
    D.

     None of these

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  2. Air-refrigeration cycle

    3. 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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  3. The quantitative effect of temperature on chemical equilibrium is given by the

    4. A.

     Vant-Hoff equation
    B.

     Le-Chatelier's principle
    C.

     Arhenius equation
    D.

     None of these

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  4. The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation.

    5. A.

     Gibbs-Duhem
    B.

     Van Laar
    C.

     Gibbs-Helmholtz
    D.

     Margules

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  5. Enthalpy of a gas depends upon its

    6. A.

     Temperature
    B.

     Mass
    C.

     Volume
    D.

     Pressure

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  6. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is

    7. A.

     ∞
    B.

     1
    C.

     0
    D.

     -ve

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

    8. A.

     1
    B.

     < 1
    C.

     > 1
    D.

     Either (b) or (c), depends on the nature of the gas

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  8. Pick out the correct statement.

    9. A.

     A real gas on expansion in vacuum gets heated up
    B.

     An ideal gas on expansion in vacuum gets cooled
    C.

     An ideal gas on expansion in vacuum gets heated up
    D.

     A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

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  9. An irreversible process

    10. A.

     Is the analog of linear frictionless motion in machines
    B.

     Is an idealised visualisation of behaviour of a system
    C.

     Yields the maximum amount of work
    D.

     Yields an amount of work less than that of a reversible process

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  10. Solid and liquid phases of a substance are in equilibrium at the

    11. A.

     Critical temperature
    B.

     Melting point
    C.

     Freezing point
    D.

     Both B and C

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