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The Principles of Thermodynamics
book

The Principles of Thermodynamics

by N.D. Hari Dass
October 2013
Intermediate to advanced content levelIntermediate to advanced
352 pages
13h 56m
English
CRC Press
Content preview from The Principles of Thermodynamics
66 The Principles of Thermodynamics
forbidden about that. Stated differently, while perpetuum mobiles of the second kind
are impossible, their reverses are commonplace!
FIGURE 3.10 The ideal heat engine and
its reverse.
FIGURE 3.11 The ideal refrigerator and
its reverse.
Therefore we see circumstances where certain processes are perfectly legitimate,
but their reverses are absolutely forbidden. This is another way of saying that certain
processes are irreversible. The nature and characterization of such irreversibilities is
the body and soul of the second law. As Planck points out, the situation is dramati-
cally different with perpetual mobiles of t
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Publisher Resources

ISBN: 9781466512085