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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope?

2
3
1

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Chemical Engineering Thermodynamics
In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

No change in the value of COP
Decreased COP
Increased or decreased COP ; depending upon the type of refrigerant
Enhanced COP

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Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

By expansion in an engine
None of these
At constant pressure
By throttling

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Chemical Engineering Thermodynamics
An isolated system can exchange __________ with its surroundings.

Neither matter nor energy
Matter
Energy
Both matter and energy

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Chemical Engineering Thermodynamics
Mollier diagram is a plot of

Temperature vs. internal energy
Entropy vs. enthalpy
Temperature vs. enthalpy
Temperature vs. enthalpy

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Chemical Engineering Thermodynamics
Refrigeration capacity of a household refrigerator may be round about __________ tons.

4.5
1.5
0.15
6.5

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