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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Degree of freedom of the system ice-water-vapour will be

3
1
0
2

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Chemical Engineering Thermodynamics
At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

92
142
72
192

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Chemical Engineering Thermodynamics
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Mass of the working fluid
Pressure of working fluid
Mass and pressure both of the working fluid
Two temperatures only

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Chemical Engineering Thermodynamics
For an irreversible process involving only pressure-volume work

(dA)T, v >0
(dF)T, p > 0
(dF)T, p = 0
(dF)T, p

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Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

Freon-12
Propane
Ethyl chloride or methyle chloride
NH₃ or CO₂

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Chemical Engineering Thermodynamics
Which of the following is not a reversible process ?

Atmospheric pressure vaporisation of water at 100°C
Solution of NaCl in water at 50°C
None of these
Expansion of an ideal gas against constant pressure

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