Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 2 kW 4 kW 3 kW 1 kW 2 kW 4 kW 3 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the None of these Pressure in the evaporator Temperature of the evaporator Degree of superheat at exit from the evaporator None of these Pressure in the evaporator Temperature of the evaporator Degree of superheat at exit from the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows 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 A one tonne refrigerating machine means that One tonne refrigerant is used 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 of water can be converted into ice One tonne is the total mass of machine One tonne refrigerant is used 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 of water can be converted into ice One tonne is the total mass of machine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Solid and dry ice Water at 0°C Ice at 4°C Mixture of ice and water under equilibrium conditions Solid and dry ice Water at 0°C Ice at 4°C ANSWER DOWNLOAD EXAMIANS APP
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