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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

By throttling
None of these
At constant pressure
By expansion in an engine

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Chemical Engineering Thermodynamics
During adiabatic expansion of gas

Temperature remains constant
Pressure remains constant
None of these
Pressure is increased

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Chemical Engineering Thermodynamics
Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)?

Methyl chloride
Freon
Liquid sulphur dioxide
Ammonia

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Chemical Engineering Thermodynamics
The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by

No change in enthalpy
Decrease in enthalpy corresponding to evolution of heat
Increase in enthalpy corresponding to absorption of heat
Decrease of entropy

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Chemical Engineering Thermodynamics
For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.

Remains same
Increases
Decreases linearly
Decreases

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Chemical Engineering Thermodynamics
Cv is given by

(∂E/∂V)T
(∂E/∂P)V
(∂V/∂T)P
(∂E/∂T)V

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