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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

1.66
1
1.44

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Chemical Engineering Thermodynamics
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the

Le-Chatelier principle
Kopp's rule
Law of corresponding state
Arrehenius hypothesis

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Chemical Engineering Thermodynamics
Heating of water under atmospheric pressure is an __________ process.

Isothermal
Isochoric
Adiabatic
Isobaric

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Chemical Engineering Thermodynamics
Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?

Compressor
Refrigerator
Condenser
Expansion valve

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Chemical Engineering Thermodynamics
In any spontaneous process, the __________ free energy decreases.

Both of the listed here
Gibbs
Neither A nor B
Helmholtz

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Chemical Engineering Thermodynamics
During Joule-Thomson expansion of gases

None of these
Enthalpy remains constant
Temperature remains constant
Entropy remains constant

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