Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.6 0.67 0.4 0.376 0.6 0.67 0.4 0.376 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 20 to 50°C None of these 50 to 70°C 70 to 110°C 20 to 50°C None of these 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is Ammonia CO? All of these R-12 Ammonia CO? All of these R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the Evaporator to the thermostat Expansion valve to the evaporator Condenser to the evaporator Condenser to the expansion valve Evaporator to the thermostat Expansion valve to the evaporator Condenser to the evaporator Condenser to the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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