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

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

Same COP

Increased COP

Decreased COP

Increased or decreased COP ; depending upon the type of refrigerant

Same COP

Increased COP

Decreased COP

Increased or decreased COP ; depending upon the type of refrigerant

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Chemical Engineering Thermodynamics
Entropy change of mixing two liquid substances depends upon the

Neither A nor B

Molar concentration

Quantity (i.e. number of moles)

Both A and B

Neither A nor B

Molar concentration

Quantity (i.e. number of moles)

Both A and B

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Chemical Engineering Thermodynamics
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

2

3

1

4

2

3

1

4

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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

1.572

4.238

3.389

1.9398

1.572

4.238

3.389

1.9398

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Chemical Engineering Thermodynamics
Rotary lime kiln is an example of a/an __________ system.

Isolated

Closed

Open

Non-thermodynamic

Isolated

Closed

Open

Non-thermodynamic

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Chemical Engineering Thermodynamics
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the

Lewis-Randall rule

Statement of Vant-Hoff equation

None of these

Le-Chatelier's principle

Lewis-Randall rule

Statement of Vant-Hoff equation

None of these

Le-Chatelier's principle

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Chemical Engineering Thermodynamics

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

Chemical Engineering Thermodynamics Entropy change of mixing two liquid substances depends upon the

Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

Chemical Engineering Thermodynamics Rotary lime kiln is an example of a/an __________ system.

Chemical Engineering Thermodynamics The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is 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
Entropy change of mixing two liquid substances depends upon the

Chemical Engineering Thermodynamics
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

Chemical Engineering Thermodynamics
Rotary lime kiln is an example of a/an __________ system.

Chemical Engineering Thermodynamics
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the