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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

1
3
2
0

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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.

Isentropic
Polytropic
Isobaric
Isometric

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Chemical Engineering Thermodynamics
When pressure is applied on the system, ice ⟷ water, then

Evaporation of water will take place
More water will be formed
Equilibrium can not be established
More ice will be formed

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Chemical Engineering Thermodynamics
Out of the following refrigeration cycles, which one has maximum COP?

Air cycle
Vapor compression with a reversible expansion engine
Carnot cycle
Ordinary vapor compression cycle

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Chemical Engineering Thermodynamics
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.

A combination of separating & throttling
Separating
Throttling
Bucket

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

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

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