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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.

Air
Absorption
Carnot
Vapour-ejection

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient depends on the

Pressure
Temperature
Both A & B
Neither A nor B

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Chemical Engineering Thermodynamics
Critical temperature is defined as the temperature above which a gas will

Never liquify however high the pressure may be
Not liquify (barring exceptions)
Immediately liquify
None of these

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Chemical Engineering Thermodynamics
With increase in temperature, the atomic heat capacities of all solid elements

Decreases
Remains unchanged
Decreases linearly
Increases

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Chemical Engineering Thermodynamics
Third law of thermodynamics is helpful in

Evaluating entropy changes of chemical reaction
Calculating absolute entropies of substances at different temperature
Both B and C
Prediction of the extent of a chemical reaction

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Chemical Engineering Thermodynamics
As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is

Decreasing
Increasing
Data sufficient, can't be predicted
Not changed

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