Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 5 6 1.2 0.2 5 6 1.2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Aqua-ammonia Freon Water Ammonia Aqua-ammonia Freon Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Dew point temperature None of these Dry bulb temperature Wet bulb temperature Dew point temperature None of these Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5 × C.O.P. 3.5/C.O.P. O.P/3.5 None of these 3.5 × C.O.P. 3.5/C.O.P. O.P/3.5 None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and dew point temperature, is called Dry bulb depression Wet bulb depression Dew point depression Degree of saturation Dry bulb depression Wet bulb depression Dew point depression Degree of saturation ANSWER DOWNLOAD EXAMIANS APP
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