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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Change of state namely evaportation condensation, freezing and melting is an __________ process.

Isochoric
Adiabatic
Isobaric
Isothermal

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Chemical Engineering Thermodynamics
Claude's liquefaction process employs the cooling of gases by

Following a constant pressure cycle
Throttling
Expansion in an engine
None of these

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Chemical Engineering Thermodynamics
Entropy of the system decreases, when

A gas expands spontaneously from high pressure to low pressure
Snow melts into water
Water is converted into ice
Both B & C

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

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

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Chemical Engineering Thermodynamics
Second law of thermodynamics is concerned with the

Irreversible processes only
Direction of energy transfer
Non-cyclic processes only
Amount of energy transferred

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Chemical Engineering Thermodynamics
Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K

50
100
∞

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