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Chemical Engineering Thermodynamics

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
Same
More

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Chemical Engineering Thermodynamics
Mollier chart is a __________ plot.

Temperature vs entropy
Pressure vs volume
Pressure vs enthalpy
Enthalpy vs entropy

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Chemical Engineering Thermodynamics
Which of the following is not a common refrigerant?

Carbon dioxide
Ethylene
Ammonia
Freon-12

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

3.389
1.572
4.238
1.9398

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

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

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

Isothermal
Polytropic
Adiabatic
Isobaric

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MORE MCQ ON Chemical Engineering Thermodynamics

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