An electrical generating plant operates at a boiler temperature of 220°C and exhausts the unused heat into a nearby river at 19°C. If the generating plant has a power output of 800 megawatts (MW) and if the actual efficiency is 3/5 the theoretical efficiency, how much heat per second must be delivered to the boiler? (0°C = 273 K)

a. 5200 MW
c. 3270 MW
b. 1810 MW
d. 2620 MW


C

Physics & Space Science

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