The lowest temperature during the cycle in a vapour compression system occurs after

Where does the lowest temperature occur in a vapour compression cycle?

A

Condenser

B

Evaporator

C

Compressor

D

Expansion valve

The temperature of ammonia after compression in a vapour compression system is

A

20 to 50°C

B

50 to 70°C

C

70 to 110°C

D

None of these

In vapour compression cycle the condition off refrigerant is dry saturated vapour

A

After passing through the condenser

B

Before passing through the condenser

C

After passing through the expansion or throttle valve

D

Before entering the compressor

In vapour compression cycle, the condition of refrigerant is very wet vapour

A

After passing through the condenser

B

Before passing through the condenser

C

After passing through the expansion or throttle valve

D

Before entering the compressor

In vapour compression cycle the condition of refrigerant is superheated vapour

A

After passing through the condenser

B

Before passing through the condenser

C

After passing through the expansion or throttle valve

D

Before entering the expansion valve

The higher temperature in vapour compression cycle occurs at

A

Receiver

B

Expansion valve

C

Evaporator

D

Compressor discharge

In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

A

Liquid pump

B

Generator

C

Absorber and generator

D

Absorber, generator and liquid pump

In a vapour compression system, the condition of refrigerant is dry saturated vapour

A

Before entering the compressor

B

After leaving the compressor

C

Before entering the condenser

D

After leaving the condenser

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

A

Increased COP

B

Same COP

C

Decreased COP

D

Increased or decreased COP ; depending upon the type of refrigerant

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

A

Enhanced COP

B

Decreased COP

C

No change in the value of COP

D

Increased or decreased COP ; depending upon the type of refrigerant

The lowest temperature during the cycle in a vapour compression system occurs after

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