Refrigeration and Air Conditioning
A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Low side float valve
Thermostatic expansion valve
Automatic expansion valve
High side float valve

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

The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region
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
None of the listed here

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