An electrical generating plant operates at a boiler temperature of 225°C and exhausts the unused heat into a nearby river at 25.0°C. If the generating plant has a power output of 850 megawatts (MW) and if the actual efficiency is 3/4 the theoretical efficiency, how much heat per second must be delivered to the boiler? (0°C = 273 K)

a. 8 470 MW
b. 4 230 MW
c. 2 120 MW
d. 2 820 MW
e. 1 690 MW


d

Physics & Space Science

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