3) Being the ideal engine, the maximum COP of a Carnot cycle operated in reverse as a refrigerator is A) (1-T/Th)-1. B)

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3 Being The Ideal Engine The Maximum Cop Of A Carnot Cycle Operated In Reverse As A Refrigerator Is A 1 T Th 1 B 1 (39.56 KiB) Viewed 55 times

3) Being the ideal engine, the maximum COP of a Carnot cycle operated in reverse as a refrigerator is A) (1-T/Th)-1. B) (Tc/Th) (1-T/Th)-1. C) (Th/Tc)(1-T/Th)-1. D) 100. FIGURE 12-6 4) The process shown on the p-V graph in Fig. 12-6 is an A) adiabatic. B) isotherm. 6) The change in entropy is Q/T for A) reversible processes. B) exothermic processes. C) irreversible processes. 11 V D) all processes. E) all real engines. C) isobaric. 5) The ocean thermal energy conversion project uses the surface water near tropical islands with a temperature of 20.0°C as the hot temperature reservoir, and the water at some depth, with a temperature of 5.0°C, as the cold temperature reservoir for a heat engine. What is the maximum efficiency of an engine running between those two temperatures? A) 30% B) 7.9% C) 4.7% D) 5.1% E) 15% D) isometric.