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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

Zeroth
Third
Second
First

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Chemical Engineering Thermodynamics
The internal energy of an ideal gas is a function of its __________ only.

Temperature
Pressure
Volume
Molecular size

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Chemical Engineering Thermodynamics
The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

320, 000 kW
160, 000 kW
200, 000 kW
100, 000 kW

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Chemical Engineering Thermodynamics
Third law of thermodynamics is concerned with the

Energy transfer
Direction of energy transfer
Value of absolute entropy
None of these

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Chemical Engineering Thermodynamics
Cp of a gas at its critical temperature and pressure

Equals 0.24 kcal/kmol °K
Equals 1 kcal/kmol °K
Becomes infinity
Becomes zero

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Chemical Engineering Thermodynamics
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Decreases
Increases
Remains unchanged
May increase or decrease; depends on the gas

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