Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be None of these Equal to critical temperature Reduced to a value below its critical temperature Increased to a value above its critical temperature None of these Equal to critical temperature Reduced to a value below its critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Increases Decreases Remains constant None of these Increases Decreases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with ozone layer These react with oxygen and cause its depletion These react with plants and cause greenhouse effect These react with water vapour and cause acid rain These react with ozone layer These react with oxygen and cause its depletion These react with plants and cause greenhouse effect These react with water vapour and cause acid rain ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Collect vapours Superheat the vapour Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Collect vapours Superheat the vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle All of these Lowers evaporation temperature Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration All of these Lowers evaporation temperature Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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