Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 9 1: 3 1: 1 9: 1 1: 9 1: 3 1: 1 9: 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Discharge pressure Back pressure Suction pressure Critical pressure Discharge pressure Back pressure Suction pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant Raise the pressure of the refrigerant All of these Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
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