Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + (1/C.O.P) 1 - (1/C.O.P) 1 + C.O.P 1 - C.O.P. 1 + (1/C.O.P) 1 - (1/C.O.P) 1 + C.O.P 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Ammonia Sulphur dioxide Carbon dioxide Fluorine Ammonia Sulphur dioxide Carbon dioxide Fluorine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₂/(T₂ - T₁) T₁/(T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ T₂/(T₂ - T₁) T₁/(T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 hour In 1 minute In 24 hours In 12 hours In 1 hour In 1 minute In 24 hours In 12 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Vertical line Curved line Horizontal line Inclined line Vertical line Curved line Horizontal line Inclined line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -33.3°C -77.7°C -30°C -10.5°C -33.3°C -77.7°C -30°C ANSWER DOWNLOAD EXAMIANS APP