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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Enthalpy changes over a constant pressure path are always zero for __________ gas.

A real
An easily liquefiable
A perfect
Any

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Chemical Engineering Thermodynamics
Claude gas liquefaction process employs cooling

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

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Chemical Engineering Thermodynamics
Second law of thermodynamics is concerned with the

Amount of energy transferred
Non-cyclic processes only
Direction of energy transfer
Irreversible processes only

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Chemical Engineering Thermodynamics
The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is

2
3
1
0

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient for a perfect gas is

Negative
Zero
None of these
Positive

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Chemical Engineering Thermodynamics
1/V (∂V/∂T)p is the mathematical expression

Joule-Thomson co-efficient
Specific heat at constant volume (CV)
Co-efficient of thermal expansion
Specific heat at constant pressure (Cp)

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