Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Sub-cooled liquid Liquid Wet vapour Saturated liquid Sub-cooled liquid Liquid Wet vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Is higher than that of the entering air None of the listed here Is lower than that of the entering air Can be lower or higher than that of the entering air Is higher than that of the entering air None of the listed here Is lower than that of the entering air Can be lower or higher than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Smaller/bigger depending on capacity Equal Bigger Smaller Smaller/bigger depending on capacity Equal Bigger Smaller ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS