Fundamentals Of Engineering Thermodynamics, 9th Edition Epub Reg Card Loose-leaf Print Companion Set
Fundamentals Of Engineering Thermodynamics, 9th Edition Epub Reg Card Loose-leaf Print Companion Set
9th Edition
ISBN: 9781119456285
Author: Michael J. Moran
Publisher: Wiley (WileyPLUS Products)
Question
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Chapter 5, Problem 5.1E
To determine

Example of the conservation of energy principle but not observed in nature.

Expert Solution & Answer
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Answer to Problem 5.1E

According to the rule of conservation of energy, energy can only be transformed from one form of energy to another and cannot be created or destroyed. This indicates that unless energy is added from the outside, a system always has the same quantity of energy.

Explanation of Solution

Given-Information: -

Law of conservation of energy.

Explanation: -

Energy can only be used by changing its form from one to another.

So, in a system, the amount of energy will be given as the following equation,

  UT=W+Q+Ui

Where,

  W= Work-done.

  Q= Heat addition or deduction.

  UT= Total internal energy of the system.

  Ui= initial internal energy of the system.

For example, if two bodies are at different temperatures and heat moves from one to the other, this is not a situation that occurs naturally.

Water is held at a height with potential energy, when it flows that potential energy is transformed into kinetic energy, and as it continues to flow, it produces mechanical energy that rotates the turbine.

Ideal gas expansion is one example. It is necessary for the gas particles to have no volume and to have no attraction to one another at all. There can be no perfect gas because neither of those statements is possible.

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Fundamentals Of Engineering Thermodynamics, 9th Edition Epub Reg Card Loose-leaf Print Companion Set

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