Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Curved line Vertical line Inclined line Horizontal line Curved line Vertical line Inclined line Horizontal line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Ammonia Carbon dioxide R-12 Sulphur dioxide Ammonia Carbon dioxide R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour Before entering the compressor Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the compressor Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, Will be lower Will be higher Will remain unaffected May be higher or lower depending upon the nature of non-condensable gases Will be lower Will be higher Will remain unaffected May be higher or lower depending upon the nature of non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
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