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

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

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Refrigeration and Air Conditioning
The reciprocating refrigerant compressors are very suitable for

Small displacements and low condensing pressures
Small displacements and high condensing pressures
Large displacements and low condensing pressures
Large displacements and high condensing pressures

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