Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 2 kW 4 kW 1 kW 3 kW 2 kW 4 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid becomes solid Above which liquid will remain liquid Above which liquid becomes gas Above which liquid becomes vapour Above which liquid becomes solid Above which liquid will remain liquid Above which liquid becomes gas Above which liquid becomes vapour ANSWER DOWNLOAD EXAMIANS APP
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 1.33 4.33 2.33 3.33 1.33 4.33 2.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, Wet bulb temperature decreases Dew point temperature decreases All of these Dry bulb temperature increases Wet bulb temperature decreases Dew point temperature decreases All of these Dry bulb temperature increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Mean radiant temperature Effective temperature Dew point temperature None of the listed here Mean radiant temperature Effective temperature Dew point temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Heating and humidification Cooling and dehumidification Dehumidification Humidification Heating and humidification Cooling and dehumidification Dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
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