Fundamentals of Engineering Thermodynamics 8th Edition

Published by Wiley
ISBN 10: 1118412931
ISBN 13: 978-1-11841-293-0

Chapter 5 - Checking Understanding: 2

Answer

(d) all of the above

Work Step by Step

Following causes irreversibilities during operation of an internal combustion automobile engine. 1. Friction: In automobile engine, there is friction mainly between piston and cylinder of automobile engine. 2. Heat Transfer: There is internal heat transfer between local high temperature zones (point of combustion) and comparatively low temperature zone like cylinder wall (which is continuously cooled from surrounding). 3. Chemical reaction: There is a spontaneous chemical reaction in which chemical energy(fuel) is converted into thermal energy(heat).
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