An Electrical Generating Plant Operates at a Boiler Temperature of 220

question 62

Multiple Choice

An electrical generating plant operates at a boiler temperature of 220 $\degree$ C and exhausts the unused heat into a nearby river at 19 $\degree$ 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 $\degree$ C = 273 K)

• A) 5200 MW
• B) 1810 MW
• C) 3270 MW
• D) 2620 MW

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