Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5/C.O.P. 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. 3.5 × C.O.P. None of these O.P/3.5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Rankine’s cycle Reversed Carnot cycle Brayton cycle Carnot cycle Rankine’s cycle Reversed Carnot cycle Brayton cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is All of these High latent heat of vaporisation Low boiling point High critical temperature All of these High latent heat of vaporisation Low boiling point High critical temperature 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 5.12 1.25 2.15 1 5.12 1.25 2.15 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Four heat exchangers Two heat exchangers One heat exchanger Three heat exchangers Four heat exchangers Two heat exchangers One heat exchanger Three heat exchangers ANSWER DOWNLOAD EXAMIANS APP
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