Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Higher than atmospheric pressure Lower than atmospheric pressure Equal to atmospheric pressure Could be anything Higher than atmospheric pressure Lower than atmospheric pressure Equal to atmospheric pressure Could be anything ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Relative humidity Absolute humidity Humidity ratio Degree of saturation Relative humidity Absolute humidity Humidity ratio Degree of saturation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to None of these (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative humidity lines on a psychrometric chart are Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Dry bulb temperature Relative humidity Dew point temperature Wet bulb temperature Dry bulb temperature Relative humidity Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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