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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is

Negative
Zero
One
Infinity

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Chemical Engineering Thermodynamics
A Carnot cycle consists of the following steps :

Two isothermals and two isentropics
Two isobarics and two isothermals
Two isochorics and two isobarics
Two isothermals and two isochorics

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Chemical Engineering Thermodynamics
A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

Zero
None of these
Maximum
Minimum

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Chemical Engineering Thermodynamics
The equation, PV = nRT, is best obeyed by gases at

Low pressure & high temperature
High pressure & low temperature
None of these
Low pressure & low temperature

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Chemical Engineering Thermodynamics
In case of an __________ process, the temperature of the system increases.

Isothermal expansion
Adiabatic expansion
Adiabatic compression
Isothermal compression

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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

1
3
2
0

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