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 The moisture present in it begins to condense It is not affected by the moisture present in the air None of these Its bulb is surrounded by a wet cloth exposed to the air The moisture present in it begins to condense It is not affected by the moisture present in the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used 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 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 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Dry bulb temperature is the temperature of air recorded by a thermometer, when None of the listed here It is not affected by the moisture present in the air The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air None of the listed here It is not affected by the moisture present in the air The moisture present in it begins to condense Its bulb is surrounded by a wet cloth exposed to the air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 8 bar 2 bar 30 bar 15 bar 8 bar 2 bar 30 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
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