At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

3.389

4.238

1.572

1.9398

3.389

4.238

1.572

1.9398

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Chemical Engineering Thermodynamics
Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

Unsteady

Steady

Equilibrium

Adiabatic

Unsteady

Steady

Equilibrium

Adiabatic

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Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

None of these

Minimum temperature attainable

Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

Temperature of the heat reservoir to which a Carnot engine rejects no heat

None of these

Minimum temperature attainable

Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

Temperature of the heat reservoir to which a Carnot engine rejects no heat

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Chemical Engineering Thermodynamics
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Same COP

Decreased COP

Increased COP

Increased or decreased COP ; depending upon the type of refrigerant

Same COP

Decreased COP

Increased COP

Increased or decreased COP ; depending upon the type of refrigerant

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Chemical Engineering Thermodynamics
High __________ is an undesirable property for a good refrigerant.

Viscosity

Latent heat of vaporisation

Specific vapor volume

Specific heat

Viscosity

Latent heat of vaporisation

Specific vapor volume

Specific heat

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Chemical Engineering Thermodynamics
The principle applied in liquefaction of gases is

Both A and B

Adiabatic expansion

Joule-Thomson effect

Neither A nor B

Both A and B

Adiabatic expansion

Joule-Thomson effect

Neither A nor B

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

Chemical Engineering Thermodynamics Absolute zero temperature signifies the

Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant.

Chemical Engineering Thermodynamics The principle applied in liquefaction of gases is

Chemical Engineering Thermodynamics
Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

Chemical Engineering Thermodynamics
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Chemical Engineering Thermodynamics
High __________ is an undesirable property for a good refrigerant.

Chemical Engineering Thermodynamics
The principle applied in liquefaction of gases is