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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
1
3

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

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

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Chemical Engineering Thermodynamics
The value of gas constant 'R' is

Neither A nor B
Both A and B
1.987 BTU/lb. mole °R
1.987 cal/gm mole °K

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Chemical Engineering Thermodynamics
All gases above its inversion temperature, in a throttling process will show

A cooling effect
Either A or C
No change in temperature
A heating effect

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Chemical Engineering Thermodynamics
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Remains unchanged
Increases
Decreases
May increase or decrease; depends on the gas

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Chemical Engineering Thermodynamics
At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be

More
Same
More or less ; depending on the system
Less

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