Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Steel Aluminium Copper Brass Steel Aluminium Copper 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 None of these Wet bulb temperature Dew point temperature Dry bulb temperature None of these Wet bulb temperature Dew point temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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 1.2 6 0.2 5 1.2 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 m3 of dry air 1 kg of dry air 1 m3 of water 1 kg of wet air 1 m3 of dry air 1 kg of dry air 1 m3 of water 1 kg of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. Same as Higher than None of the listed here Lower than Same as Higher than None of the listed here Lower than ANSWER DOWNLOAD EXAMIANS APP
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