A reversed Carnot cycle has a refrigerating COP of 4. (a) What is the ratio Tmax/Tmin? (b) If the work input is 6 kW, what will be the maximum refrigerating effect, kJ/min and tons. (2) Ans. (a) 1.25,...

Extracted text: A reversed Carnot cycle has a refrigerating COP of 4. (a) What is the ratio Tmax/Tmin? (b) If the work input is 6 kW, what will be the maximum refrigerating effect, kJ/min and tons. (2) Ans. (a) 1.25, (b) 6.82 TR A reversed Carnot engine removes 40,000 kW from a (3) heat sink. The temperature of the heat sink is 260 K and the temperature of the heat reservoir is 320 K. Determine the power required of the engine. Ans. 9230.7 kW