Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Soap and water Halide torch All of these Sulphur sticks Soap and water Halide torch All of these Sulphur sticks ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Carbon dioxide Lithium bromide Sulphur dioxide R-12 Carbon dioxide Lithium bromide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature All of these Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter Lowers evaporation temperature All of these Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 1 2.15 5.12 1.25 1 2.15 5.12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Electrolux refrigerator is the ratio of Heat absorbed by the evaporator to the heat supplied by the gas burner Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator to the heat supplied by the gas burner Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner to the heat absorbed by the evaporator ANSWER DOWNLOAD EXAMIANS APP
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