Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Saturated air Specific humidity Moist air Dry air Saturated air Specific humidity Moist air Dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Condenser tubes Evaporator tubes Refrigerant cooling tubes Capillary tubes Condenser tubes Evaporator tubes Refrigerant cooling tubes Capillary tubes 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 plants and cause greenhouse effect These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with ozone layer These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with water vapour and cause acid rain ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide ANSWER DOWNLOAD EXAMIANS APP