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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Gibbs free energy of mixing at constant pressure and temperature is always

- ve
+ ve
∞

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Chemical Engineering Thermodynamics
The extensive properties are

Both A and B
Volume, mass and number of moles
Free energy, entropy and enthalpy
None of these

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Chemical Engineering Thermodynamics
Charles' law for gases states that

V/T = Constant
PV/T = Constant
V ∝ 1/P
V ∝ 1/T

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Chemical Engineering Thermodynamics
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Two temperatures only
Mass of the working fluid
Mass and pressure both of the working fluid
Pressure of working fluid

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Chemical Engineering Thermodynamics
The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

R loge 4
Cv loge 4
R log10 4
Cv log10 4

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Chemical Engineering Thermodynamics
The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is

2
3
0
1

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MORE MCQ ON Chemical Engineering Thermodynamics

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