Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with ozone layer These react with water vapour and cause acid rain These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with ozone layer These react with water vapour and cause acid rain ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-22 Ammonia R-11 R-12 R-22 Ammonia R-11 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dry bulb temperature of air Ambient air temperature Wet bulb temperature of air Dew point temperature of air Dry bulb temperature of air Ambient air temperature Wet bulb temperature of air Dew point temperature of air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Curved line Inclined line Vertical line Horizontal line Curved line Inclined line Vertical line Horizontal line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. Higher than Lower than None of the listed here Same as Higher than Lower than None of the listed here Same as ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS