Refrigeration and Air Conditioning Ammonia is Highly toxic and inflammable Non-inflammable Non-toxic Toxic and non-inflammable Highly toxic and inflammable Non-inflammable Non-toxic Toxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease Increase Remain unaffected May increase or decrease depending on the type of refrigerant used Decrease Increase Remain unaffected May increase or decrease depending on the type of refrigerant used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Can be avoided by proper design Is immaterial Results in loss of heat due to poor heat transfer Increases heat transfer rate Can be avoided by proper design Is immaterial Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 m3 of dry air 1 m3 of wet air 1 kg of wet air 1 kg of dry air 1 m3 of dry air 1 m3 of wet air 1 kg of wet air 1 kg of dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/hK m/hK m²/h m/h m²/hK m/hK m²/h m/h ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Smelling Using reagents Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Smelling Using reagents ANSWER DOWNLOAD EXAMIANS APP
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