WebAssuming that the machine operates on the reversed Carnot cycle, calculate: (a) The COP of the refrigerator. (b) The refrigerant effect per kW of input work. (c) The heat rejected to the condenser. ii- A compressor manufacturing company manufactures one model of compressor used for air conditioning applications. WebIn a refrigerating machine, heat rejected is ________ the heat absorbed. a) equal tob) less than c) in unity with d) greater than Answer: dExplanation: Heat rejected in refrigerating …
Refrigeration Cycles - Mech Engineering: Thermodynamics - UCL …
WebIn a refrigerating machine, heat rejected is ________ the heat absorbed. a) equal tob) less than c) in unity with d) greater than Answer: dExplanation: Heat rejected in refrigerating machine is always more than the heat absorbed because as the evaporatio n increases i.e. heat rejection, more will be the refrigerating effect. 6. WebWhen operating a refrigeration machine condenser using r-22 refrigerant, under normal conditions the operator observes that the cooling water is being supplied at 85 degrees f and leaving at 95 degrees f. ... the heat that is removed from the building is finally rejected as. Heat of evaporation of the cooling tower. boat repair colleges in kentucky
Solved In a refrigerating machine, heat rejected is
WebAug 17, 2011 · As heat. There's no bonus because the insides are cool, and no bonus for COP (or EER). Watts in = heat out. Just multiply the hour's watt-hours you measured by 3.413 and you'll have BTUs. Note: your measurements may not be typical. Refrigerator rarely runs when it stays shut with cold food in it. WebOct 1, 2024 · Constant volume heat rejection process 2–3: both pistons or a piston and displacer move together to transfer all the working gas isochorically through the Stirling regenerator to the cold end of the refrigerator (expansion space). Heat is rejected from the gas to the regenerator matrix as it passes through the regenerator, thus lowering the ... WebThe temperature in a refrigerator evaporator coil is -6 °C and that in the condenser coil is 22 °C. Assuming that the machine operates on the reversed Carnot cycle, calculate the COPref, the refrigerating effect per kilowatt of input work, and the heat rejected to the condenser. Suggested Answers: [9.54; 9.54 kW; 10.54 kW] Expert Answer clifton school holidays