Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Bootstrap air cooling system Simple air cooling system Reduced ambient air cooling system Regenerative air cooling system Bootstrap air cooling system Simple air cooling system Reduced ambient air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour Before entering the condenser After leaving the compressor Before entering the compressor After leaving the condenser Before entering the condenser After leaving the compressor Before entering the compressor After leaving the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Dry saturated vapour Saturated liquid Wet vapour Superheated vapour Dry saturated vapour Saturated liquid Wet vapour Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -77.7°C -10.5°C -30°C -33.3°C -77.7°C -10.5°C -30°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid becomes vapour Above which liquid will remain liquid Above which liquid becomes solid Above which liquid becomes gas Above which liquid becomes vapour Above which liquid will remain liquid Above which liquid becomes solid Above which liquid becomes gas 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 water vapour and cause acid rain These react with oxygen and cause its depletion These react with plants and cause greenhouse effect These react with ozone layer These react with water vapour and cause acid rain These react with oxygen and cause its depletion These react with plants and cause greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
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