Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 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. 1 + (1/C.O.P) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Electrolux refrigerator Vapour compression Carnot cycle Vapour absorption Electrolux refrigerator Vapour compression Carnot cycle Vapour absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation from surface 1 to surface 2 is given by e₁ + e₂ e₁e₂ 1/e₁ + 1/e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ e₁e₂ 1/e₁ + 1/e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During humidification process, __________ increases. Dry bulb temperature Relative humidity Specific humidity Wet bulb temperature Dry bulb temperature Relative humidity Specific humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption ANSWER DOWNLOAD EXAMIANS APP