An Electrical Generating Plant Operates at a Boiler Temperature of 220°C

Multiple Choice

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
B) 1810 MW
C) 3270 MW
D) 2620 MW