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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The equation, Cp - Cv = R, is true for __________ gas.

No
Any real
Only ideal
Both B and C

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Chemical Engineering Thermodynamics
For an ideal gas, the internal energy depends upon its __________ only.

Volume
Temperature
Molecular size
Pressure

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Chemical Engineering Thermodynamics
The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

1
3
2

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Chemical Engineering Thermodynamics
Entropy of the system decreases, when

Water is converted into ice
Both B & C
A gas expands spontaneously from high pressure to low pressure
Snow melts into water

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Chemical Engineering Thermodynamics
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Ordinary vapour compression cycle
Carnot cycle
Air cycle
Vapour compression with a reversible expansion engine

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Chemical Engineering Thermodynamics
(∂T/∂P)H is the mathematical expression for

Joule-Thompson co-efficient
None of these
Specific heat at constant pressure (Cp)
Specific heat at constant volume (Cv)

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