During a cyclic process, a heat engine absorbs 728 J of heat from a hot reservoir, does work and ejects an amount of heat 428 J into the surroundings (cold reservoir). Calculate the efficiency of the heat engine. Express your answer in decimal form, to at least two digits after the decimal point.

During a cyclic process, a heat engine absorbs 728 J of heat from a hot reservoir, does work and ejects an amount of heat 428 J into the surroundings (cold reservoir). Calculate the efficiency of the heat engine. Express your answer in decimal form, to at least two digits after the decimal point.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

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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During a cyclic process, a heat engine absorbs 728 J of heat from a hot reservoir, does work and
ejects an amount of heat 428 J into the surroundings (cold reservoir).
Calculate the efficiency of the heat engine.
Express your answer in decimal form, to at least two digits after the decimal point.

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