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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 5
31.
For an irreversible process involving only pressure-volume work
(dF)T, p <0
(dF)T, p = 0
(dF)T, p > 0
(dA)T, v >0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Ideal refrigeration cycle is
same as Carnot cycle.
same as reverse Carnot cycle.
dependent on the refrigerant's properties.
the least efficient of all refrigeration processes.
Answer: Option
Explanation:
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33.
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
100, 000 kW
160, 000 kW
200, 000 kW
320, 000 kW
Answer: Option
Explanation:
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34.
Refrigeration cycle
violates second law of thermodynamics.
involves transfer of heat from low temperature to high temperature.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
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35.
The enthalpy change when ammonia gas is dissolved in water is called the heat of
solution
formation
dilution
combustion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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