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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. Pick out the wrong statement.

    2. A.

     Enthalpies of all elements in their standard states are assumed to be zero
    B.

     Combustion reactions are never en-dothermic in nature
    C.

     Heat of reaction at constant volume is equal to the change in internal energy
    D.

     Claussius-clayperon equation is not applicable to melting process

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  2. The kinetic energy of gas molecule is zero at

    3. A.

     0°C
    B.

     273°C
    C.

     100°C
    D.

     -273°C

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  3. Fugacity and pressure are numerically equal, when the gas is

    4. A.

     In standard state
    B.

     At high pressure
    C.

     At low temperature
    D.

     In ideal state

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  4. Lenz's law results from the law of conservation of

    5. A.

     Mass
    B.

     Momentum
    C.

     Energy
    D.

     None of these

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  5. Entropy change for an irreversible isolated system is

    6. A.

     ∞
    B.

     0
    C.

     < 0
    D.

     > 0

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  6. What happens in a reversible adiabatic compression?

    7. A.

     Heating occurs
    B.

     Cooling occurs
    C.

     Pressure is constant
    D.

     Temperature is constant

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  7. The equation, PV = nRT, is best obeyed by gases at

    8. A.

     Low pressure & high temperature
    B.

     High pressure & low temperature
    C.

     Low pressure & low temperature
    D.

     None of these

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  8. Which one is true for a throttling process?

    9. A.

     A gas may have more than one inversion temperatures
    B.

     The inversion temperature is different for different gases
    C.

     The inversion temperature is same for all gases
    D.

     The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

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  9. Pick out the wrong statement.

    10. A.

     At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature
    B.

     Normally, the gases which are easily liquified, are more soluble in common solvents
    C.

     The gases which are capable of forming ions in aqueous solution, are much more soluble in water than in other solvents
    D.

     At constant pressure, solubility of a gas in a liquid increases with rise in temperature

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  10. Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K

    11. A.

     0
    B.

     ∞
    C.

     50
    D.

     100

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