# At a steam power plant, steam engines work in pairs, the

## Problem 28P Chapter 15

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 28P

At a steam power plant, steam engines work in pairs, the output of heat from one being the approximate heat input of the second. The operating temperatures of the first are 670°C and 440°C, and of the second 430°C and 290°C. If the heat of combustion of coal is 2.8 × 107 J/kg, at what rate must coal be burned if the plant is to put out 1100 MW of power? Assume the efficiency of the engines is 60% of the ideal (Carnot) efficiency.

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##### ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. This full solution covers the following key subjects: heat, coal, efficiency, Engines, plant. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The full step-by-step solution to problem: 28P from chapter: 15 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. The answer to “At a steam power plant, steam engines work in pairs, the output of heat from one being the approximate heat input of the second. The operating temperatures of the first are 670°C and 440°C, and of the second 430°C and 290°C. If the heat of combustion of coal is 2.8 × 107 J/kg, at what rate must coal be burned if the plant is to put out 1100 MW of power? Assume the efficiency of the engines is 60% of the ideal (Carnot) efficiency.” is broken down into a number of easy to follow steps, and 84 words. Since the solution to 28P from 15 chapter was answered, more than 291 students have viewed the full step-by-step answer. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.

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