Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/h m/h m/hK m²/hK m²/h m/h m/hK m²/hK 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 Bigger cabinet should be used Smaller cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used Bigger cabinet should be used Smaller cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Very little work input Zero work input Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input Maximum work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Carbon dioxide is Colourless Odourless Non-flammable All of the listed here Colourless Odourless Non-flammable All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be High, of the order of 25° Any value As low as possible (3 to 11°C) Zero High, of the order of 25° Any value As low as possible (3 to 11°C) Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Air refrigeration cycle Vapour compression cycle Vapour absorption cycle None of the listed here Air refrigeration cycle Vapour compression cycle Vapour absorption cycle None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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