Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

CO₂

Ammonia

R-12

all of these

which lies between the dry bulb and wet bulb temperatures of the incoming stream

which lies between the wet bulb and dew point temperatures of the incoming stream

which is lower than the dew point temperature of the incoming stream

of adiabatic saturation of incoming stream

low

high

zero

none of these

compressor

condenser

expansion valve

evaporator

Ammonia

Carbon dioxide

Sulphur dioxide

R-12