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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.

Isothermal
Isobaric
Polytropic
Adiabatic

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Chemical Engineering Thermodynamics
Equation which relates pressure, volume and temperature of a gas is called the

Ideal gas equation
Equation of state
Gibbs Duhem equation
None of these

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Chemical Engineering Thermodynamics
Specific __________ does not change during phase change at constant temperature and pressure.

Gibbs energy
Internal energy
Entropy
Enthalpy

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Chemical Engineering Thermodynamics
For a single component two phase mixture, the number of independent variable properties are

Three
One
Two
Zero

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Chemical Engineering Thermodynamics
In an ideal refrigeration cycle, the change in internal energy of the fluid is

Either of the above three ; depends on the nature of refrigerant
-ve
+ve

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Chemical Engineering Thermodynamics
Which of the following processes can not be made reversible even under ideal condition of operation?

Compression of air in a compressor
Free expansion of a gas
All of these
Expansion of steam in a turbine

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