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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is

2
1
3
0

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Chemical Engineering Thermodynamics
"The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is

Called Lewis-Randall rule
Henry's law
None of these
The statement as per Gibbs-Helmholtz

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Chemical Engineering Thermodynamics
Which of the following exemplifies an adiabatic process?

Sudden bursting of a cycle tube
Melting of ice
Condensation of alcohol vapor
Evaporation of water

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Chemical Engineering Thermodynamics
Lenz's law results from the law of conservation of

None of these
Energy
Mass
Momentum

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Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.

Isobaric
Isentropic
Isometric
Polytropic

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Chemical Engineering Thermodynamics
In a reversible process

DE - dW = Tds
DW - dE = Tds
Tds = dE + dW
Tds - dW + dE >0

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