Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is

Chemical Engineering Thermodynamics
Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is

Partially condensed vapour with quality of 0.9

Superheated vapour

Partially condensed vapour with quality of 0.1

Saturated vapour

Partially condensed vapour with quality of 0.9

Superheated vapour

Partially condensed vapour with quality of 0.1

Saturated vapour

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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

Ax₁

Ax₁²

A . x₂²

Ax₂

Ax₁

Ax₁²

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Chemical Engineering Thermodynamics
At absolute zero temperature, all substances have the same

None of these

Heat capacity

Crystalline structure

Entropy

None of these

Heat capacity

Crystalline structure

Entropy

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Chemical Engineering Thermodynamics
Which of the following is an undesirable characteristics of a refrigerant ?

Its vapor pressure at the condenser temperature should be very high

None of these

It should be non-explosive

It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

Its vapor pressure at the condenser temperature should be very high

None of these

It should be non-explosive

It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

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

A = H + TS

None of these

A = E - TS

A = H - TS

A = H + TS

None of these

A = E - TS

A = H - TS

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Chemical Engineering Thermodynamics
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

May increase or decrease; depends on the gas

Remains unchanged

Increases

Decreases

May increase or decrease; depends on the gas

Remains unchanged

Increases

Decreases

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is

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 At absolute zero temperature, all substances have the same

Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ?

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

Chemical Engineering Thermodynamics At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Chemical Engineering Thermodynamics
Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is

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
At absolute zero temperature, all substances have the same

Chemical Engineering Thermodynamics
Which of the following is an undesirable characteristics of a refrigerant ?

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

Chemical Engineering Thermodynamics
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.