Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

After passing through the expansion or throttle valve
Before entering the expansion valve
After passing through the condenser
Before passing through the condenser

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Refrigeration and Air Conditioning
Which of the following statement is wrong?

None of the listed here
The value of C.O.P. is always greater than one
In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour
The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region

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Refrigeration and Air Conditioning
In a lithium bromide absorption refrigeration system

Ammonia is used as a refrigerant and lithium bromide as an absorbent
Water is used as a refrigerant and lithium bromide as an absorbent
None of these
Lithium bromide is used as a refrigerant and water as an absorbent

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