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

Increased or decreased COP ; depending upon the type of refrigerant

Decreased COP

Same COP

Increased COP

Increased or decreased COP ; depending upon the type of refrigerant

Decreased COP

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Chemical Engineering Thermodynamics
During adiabatic expansion of gas

None of these

Temperature remains constant

Pressure is increased

Pressure remains constant

None of these

Temperature remains constant

Pressure is increased

Pressure remains constant

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Chemical Engineering Thermodynamics
A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

Non-solidifiable

Saturated

None of these

Subcooled

Non-solidifiable

Saturated

None of these

Subcooled

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Chemical Engineering Thermodynamics
Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the

Hot reservoir approaches infinity

Neither A nor B

Either A or B

Cold reservoir approaches zero

Hot reservoir approaches infinity

Neither A nor B

Either A or B

Cold reservoir approaches zero

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Chemical Engineering Thermodynamics
On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Increase

Remain same

Increase in summer and will decrease in winter

Decrease

Increase

Remain same

Increase in summer and will decrease in winter

Decrease

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Chemical Engineering Thermodynamics
Refrigeration capacity of a household refrigerator may be round about __________ tons.

1.5

0.15

4.5

6.5

1.5

0.15

4.5

6.5

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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 During adiabatic expansion of gas

Chemical Engineering Thermodynamics A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the

Chemical Engineering Thermodynamics On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Chemical Engineering Thermodynamics Refrigeration capacity of a household refrigerator may be round about __________ tons.

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

Chemical Engineering Thermodynamics
During adiabatic expansion of gas

Chemical Engineering Thermodynamics
A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

Chemical Engineering Thermodynamics
Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the

Chemical Engineering Thermodynamics
On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will

Chemical Engineering Thermodynamics
Refrigeration capacity of a household refrigerator may be round about __________ tons.