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)

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)

Arithmetic

Geometric

Logarithmic

Harmonic

Arithmetic

Geometric

Logarithmic

Harmonic

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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

2

3

1

0

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

U decreases but S is constant

U is constant but S decreases

U and S both decreases

Its internal energy (U) decreases and its entropy (S) increases

U decreases but S is constant

U is constant but S decreases

U and S both decreases

Its internal energy (U) decreases and its entropy (S) increases

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Chemical Engineering Thermodynamics
In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will

Not effect the equilibrium conditions

Increase the partial pressure of I₂

Increase the partial pressure of H₂

Increase the total pressure and hence shift the equilibrium towards the right

Not effect the equilibrium conditions

Increase the partial pressure of I₂

Increase the partial pressure of H₂

Increase the total pressure and hence shift the equilibrium towards the right

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Chemical Engineering Thermodynamics
Degress of freedom at triple point will be

3

Zero

2

1

3

Zero

2

1

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Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.

Air

Absorption

Vapour-ejection

Carnot

Air

Absorption

Vapour-ejection

Carnot

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Chemical Engineering Thermodynamics

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

Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Chemical Engineering Thermodynamics In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will

Chemical Engineering Thermodynamics Degress of freedom at triple point will be

Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle.

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

Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Chemical Engineering Thermodynamics
In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will

Chemical Engineering Thermodynamics
Degress of freedom at triple point will be

Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.