Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Soap and water Sulphur sticks Halide torch All of these Soap and water Sulphur sticks Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. It reacts with copper and its alloys. All of these It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. It reacts with copper and its alloys. All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 7.44 kW 1.86 kW 3.72 kW 18.6 kW 7.44 kW 1.86 kW 3.72 kW 18.6 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has One heat exchanger Four heat exchangers Three heat exchangers Two heat exchangers One heat exchanger Four heat exchangers Three heat exchangers Two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
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