Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 1 - B. P.F. P.F. - 1 1 + B.P.F. 1/ B.P.F. 1 - B. P.F. P.F. - 1 1 + B.P.F. 1/ B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Degree of saturation Dry bulb depression Dew point depression Wet bulb depression Degree of saturation Dry bulb depression Dew point depression Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in Absorber Condenser None of these Evaporator Absorber Condenser None of these Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called None of the listed here Sub-cooling or under-cooling Normal cooling Super-cooling None of the listed here Sub-cooling or under-cooling Normal cooling Super-cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Reduces power consumption Increases heat transfer Increases power consumption Improves C.O.P. of the system Reduces power consumption Increases heat transfer Increases power consumption Improves C.O.P. of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Cooling and humidification Cooling and dehumidification Dehumidification and pure sensible cooling Dehumidification Cooling and humidification Cooling and dehumidification Dehumidification and pure sensible cooling Dehumidification ANSWER DOWNLOAD EXAMIANS APP
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