When a certain type of coal is burned at a power plant, 22.6 ×106×106 joules per kilogram are released that is subsequently used to boil water and produce steam. The steam then does work on the turbine to produce electricity. If power is produced at a rate of 480 megawatts as 102000 kilograms of coal are burned per hour, what is the efficiency of the power plant?

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter4: The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 79AP: A coal power plant consumes 100,000 kg of coal per hour and produces 500 MW of power. If the heat of...
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When a certain type of coal is burned at a power plant, 22.6 ×106×106 joules per kilogram are released that is subsequently used to boil water and produce steam. The steam then does work on the turbine to produce electricity.

If power is produced at a rate of 480 megawatts as 102000 kilograms of coal are burned per hour, what is the efficiency of the power plant? 

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