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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is

+ve
-ve
∞

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Chemical Engineering Thermodynamics
In an adiabatic process, the

Enthalpy remains constant
Heat transfer is zero
Temperature change is zero
Work done is a path function

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Chemical Engineering Thermodynamics
Which of the following equations is used for the prediction of activity co-efficient from experiments?

Margules equation
Wilson's equation
Van Laar equation
All of these

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Chemical Engineering Thermodynamics
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

Less
Dependent on climatic conditions
More
Same

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Chemical Engineering Thermodynamics
When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the

Gibbs-Helmholtz equation
Gibbs-Duhem equation
Third law of thermodynamics
Joule-Thomson effect

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Chemical Engineering Thermodynamics
The principle applied in liquefaction of gases is

Neither A nor B
Both A and B
Adiabatic expansion
Joule-Thomson effect

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