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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.

Adiabatic
Reversible
None of these
Isothermal

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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
High __________ is an undesirable property for a good refrigerant.

Viscosity
Latent heat of vaporisation
Specific heat
Specific vapor volume

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Chemical Engineering Thermodynamics
Ideal gas law is applicable at

High T, low P
Low T, low P
High T, high P
Low T, high P

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Chemical Engineering Thermodynamics
(∂E/∂T)V is the mathematical expression for

CV
Enthalpy change
Free energy change
None of these

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Chemical Engineering Thermodynamics
Specific heat of a gas for a reversible adiabatic process is

None of these
Negative
Infinity
Zero

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