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Chemical Engineering Thermodynamics

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

Isothermal
Adiabatic
Reversible
None of these

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Chemical Engineering Thermodynamics
The gas law (PV = RT) is true for an __________ change.

Neither A nor B
Adiabatic
Isothermal
Both A & B

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Chemical Engineering Thermodynamics
Reduced pressure of a gas is the ratio of its

Critical pressure to pressure
Pseudocritical pressure to pressure
Pressure to critical pressure
Pressure to pseudocritical pressure

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Chemical Engineering Thermodynamics
Helmholtz free energy (A) is defined as

A = H + TS
A = E - TS
A = H - TS
None of these

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Chemical Engineering Thermodynamics
Which of the following is an extensive property of a system?

Concentration
Pressure
Heat capacity
Molal heat capacity

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Chemical Engineering Thermodynamics
A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)

Logarithmic
Arithmetic
Harmonic
Geometric

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