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)

Geometric

Arithmetic

Logarithmic

Harmonic

Geometric

Arithmetic

Logarithmic

Harmonic

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Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

None of these

Pressure and temperature

Number of intermediate chemical reactions involved

State of combination and aggregation in the beginning and at the end of the reaction

None of these

Pressure and temperature

Number of intermediate chemical reactions involved

State of combination and aggregation in the beginning and at the end of the reaction

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Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

A . x₂²

Ax₂

Ax₁²

Ax₁

A . x₂²

Ax₂

Ax₁²

Ax₁

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Chemical Engineering Thermodynamics
In an ideal refrigeration cycle, the change in internal energy of the fluid is

-ve

Either of the above three ; depends on the nature of refrigerant

+ve

-ve

Either of the above three ; depends on the nature of refrigerant

+ve

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Chemical Engineering Thermodynamics
In an irreversible process

DE - dW - Tds = 0

Tds = dE - dW = 0

Tds - dE + dW< 0

Tds - dT + dW< 0

DE - dW - Tds = 0

Tds = dE - dW = 0

Tds - dE + dW< 0

Tds - dT + dW< 0

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Chemical Engineering Thermodynamics
For a single component two phase mixture, the number of independent variable properties are

Three

Two

One

Zero

Three

Two

One

Zero

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the

Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is

Chemical Engineering Thermodynamics In an irreversible process

Chemical Engineering Thermodynamics For a single component two phase mixture, the number of independent variable properties are

Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Chemical Engineering Thermodynamics
In an ideal refrigeration cycle, the change in internal energy of the fluid is

Chemical Engineering Thermodynamics
In an irreversible process

Chemical Engineering Thermodynamics
For a single component two phase mixture, the number of independent variable properties are