Question:-
Oil separator is NOT required in refrigeration system if
Option (A)
refrigerant and oil are immiscible at all pressures and temperatures
Option (B)
refrigerant and oil are immiscible at condensation pressure and temperature
Option(C)
refrigerant and oil are miscible at all pressure and temperatures
Option(D)
refrigerant and oil are miscible at condensation pressures and temperature
Correct Option:
(B)
Question Solution:
Oil separator is not required in refrigeration system if refrigerant and oil are miscible at all pressure and temperature because they do not get separated in evaporator and fouling doesn’t takes place.
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