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Air enters the insulated duct shown in Fig. P7.109 at a

Fundamentals of Engineering Thermodynamics | 8th Edition | ISBN: 9781118412930 | Authors: Michael J. Moran ISBN: 9781118412930 139

Solution for problem 7.109 Chapter 7

Fundamentals of Engineering Thermodynamics | 8th Edition

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Fundamentals of Engineering Thermodynamics | 8th Edition | ISBN: 9781118412930 | Authors: Michael J. Moran

Fundamentals of Engineering Thermodynamics | 8th Edition

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Problem 7.109

Air enters the insulated duct shown in Fig. P7.109 at a temperature of 608F and a pressure of 1 atm and exits at a temperature of 1408F and a pressure only slightly less than 1 atm. Electricity is provided to the resistor at a rate of 0.1 kW. Kinetic and potential energy effects can be ignored. For steady-state operation (a) determine the exergetic destruction rate, in kW.(b) devise and evaluate an exergetic efficiency for theheater.Let T0 5 608F, p0 5 1 atm

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What is tribology Fundamentals of Tribology: • Surfaces in Contact • Friction • Lubrication • Wear •Two aspects – Science: Basic mechanisms – Technology: Design, manufacture, maintenance What is Tribology • Tribology is defined as the science of interacting surfaces in relative motion. • The word tribology comes from the Greek tribos, meaning rubbing. • In any machine there are lots of component parts that operate by rubbing together. • Some examples are bearings, gears, cams and tappets, tires, brakes, and piston rings. All of these components have two surfaces which come into contact, support a load, and move with respect to each other. • Sometimes it is desirable to have low friction, to save energy, or high friction, as in the case of brakes. Usually we don't wan

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Chapter 7, Problem 7.109 is Solved
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Textbook: Fundamentals of Engineering Thermodynamics
Edition: 8
Author: Michael J. Moran
ISBN: 9781118412930

This textbook survival guide was created for the textbook: Fundamentals of Engineering Thermodynamics, edition: 8. The answer to “Air enters the insulated duct shown in Fig. P7.109 at a temperature of 608F and a pressure of 1 atm and exits at a temperature of 1408F and a pressure only slightly less than 1 atm. Electricity is provided to the resistor at a rate of 0.1 kW. Kinetic and potential energy effects can be ignored. For steady-state operation (a) determine the exergetic destruction rate, in kW.(b) devise and evaluate an exergetic efficiency for theheater.Let T0 5 608F, p0 5 1 atm” is broken down into a number of easy to follow steps, and 82 words. Fundamentals of Engineering Thermodynamics was written by and is associated to the ISBN: 9781118412930. The full step-by-step solution to problem: 7.109 from chapter: 7 was answered by , our top Engineering and Tech solution expert on 11/14/17, 08:39PM. Since the solution to 7.109 from 7 chapter was answered, more than 273 students have viewed the full step-by-step answer. This full solution covers the following key subjects: atm, rate, temperature, pressure, exergetic. This expansive textbook survival guide covers 14 chapters, and 1738 solutions.

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Air enters the insulated duct shown in Fig. P7.109 at a