Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 3.33 1.33 4.33 2.33 3.33 1.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with 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 increase in number of rows Increase in fin spacing and decrease 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 increase in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in Condenser Evaporator Absorber None of these Condenser Evaporator Absorber None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Nontoxic and non-inflammable Non-inflammable and toxic Inflammable Toxic Nontoxic and non-inflammable Non-inflammable and toxic Inflammable Toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Humidification Dehumidification Heating and humidification Cooling and dehumidification Humidification Dehumidification Heating and humidification Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
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