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Chemical Engineering Thermodynamics

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

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

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Chemical Engineering Thermodynamics
As the time is passing, entropy of the universe

Is decreasing
Data insufficient, can't be predicted
Remains constant
Is increasing

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Chemical Engineering Thermodynamics
Adiabatic compression of a saturated water vapour makes it

Supersaturated
Both A and B
Superheated
Neither A nor B

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Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

300(33/7)
300(32/7)
300(35/7)
300(33/5)

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Chemical Engineering Thermodynamics
Water on heating from 1 to 4°C

Expands
May contract or expand
Contracts
Has same volume

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Chemical Engineering Thermodynamics
In Joule-Thomson porous plug experiment, the

None of these
Entire apparatus is exposed to surroundings
Enthalpy does not remain constant
Temperature remains constant

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