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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Which is not constant for an ideal gas?

(∂P/∂V)T
(∂P/∂V)V
(∂V/∂T)P
All of these

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Chemical Engineering Thermodynamics
Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

(T₁ - T₂)/T₂
T₂/(T₁ - T₂)
(T₁ - T₂)/T₁
T₁/(T₁ - T₂)

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Chemical Engineering Thermodynamics
After throttling, gas temperature

Decreases
Increases
Remains same
May increase or decrease ; depends on the nature of the gas

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Chemical Engineering Thermodynamics
Requisites of a reversible process is that the

Friction in the system should be absent
None of these
System and surroundings temperature be equal
System and surroundings pressure be equal

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Chemical Engineering Thermodynamics
Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is

Negative
Infinity
Positive
Zero

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Chemical Engineering Thermodynamics
__________ explains the equilibrium constant for any chemical reaction.

Law of mass action
None of these
Henry's law
Hess's law

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