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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Van Laar equation deals with the activity co-efficients in

Ternary solutions
None of these
Binary solutions
Azeotropic mixture only

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Chemical Engineering Thermodynamics
Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

First
Third
Zeroth
Second

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Chemical Engineering Thermodynamics
The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point.

Triple
Freezing
Boyle
Boiling

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Chemical Engineering Thermodynamics
In case of the decomposition of hydroiodic acid (2HI ⇋ H₂ + I₂), addition of H₂ (at equilibrium condition) will

Diminish the degree of dissociation of HI
Increase the partial pressure of I₂
None of these
Decrease the partial pressure of HI

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Chemical Engineering Thermodynamics
Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as

F = C - P - 2
P + F - C = 2
C = P - F + 2
P = F - C - 2

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Chemical Engineering Thermodynamics
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be

Less
Same
Data insufficient to predict
More

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