Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Requires little power consumption Cools below 0°C Gives noisy operation Gives quiet operation Requires little power consumption Cools below 0°C Gives noisy operation Gives quiet operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne is the total mass of machine One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne refrigerant is used One tonne is the total mass of machine One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne refrigerant is used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 18.6 kW 3.72 kW 7.44 kW 1.86 kW 18.6 kW 3.72 kW 7.44 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. DX coil Flooded None of these Dry DX coil Flooded None of these Dry ANSWER DOWNLOAD EXAMIANS APP
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