fundamentals of electric circuits 5th ed solutions

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Ngày tải lên: 26/03/2019, 11:40

... reserved No reproduction or distribution without the prior written consent of McGraw-Hill Education Full file at https://TestbankDirect.eu/ Solution Manual for Fundamentals of Electric Circuits ... without the prior written consent of McGraw-Hill Education Full file at https://TestbankDirect.eu/ Solution Manual for Fundamentals of Electric Circuits 6th Edition by Alexander Full file at ... McGraw-Hill Education All rights reserved No reproduction or distribution without the prior written consent of McGraw-Hill Education Full file at https://TestbankDirect.eu/ Solution Manual for Fundamentals

Ngày tải lên: 20/08/2020, 12:02

... a unit electric power cost of $0.08/kWh, the annual cost of the heat loss is C = ($0.08/kWh)625 kWh = $50.00 Hence, an insulation thickness of δ = 25 mm < will satisfy the prescribed cost ... and outer radii of a tube wall which is heated electrically at its outer surface. Inner and outer wall temperatures. Temperature of fluid adjoining outer wall. FIND: Effect of wall thermal conductivity, ... to a reduction in the convection resistance. COMMENTS: For the prescribed nominal values of k, t,c R ′ and h, the electric power requirement is q ′ = 2377 W/m. To maintain the prescribed heater

Ngày tải lên: 08/08/2014, 17:20

... time increment of ∆ t = 5 s, obtain values of T m for the first 45s of elapsed time; determine the corresponding heat fluxes at the boundaries; and (d) Determine the effect of mesh size by ... early stages of the transient, there is excellent agreement between results obtained for the two time steps. The temperature decay at the insulated surface must, of course, lag that of the midplane. ... ( ) pp m1 m1 kT T 2x −+ =− ∆ From knowledge of the temperature distribution, the heat flux at each node for the selected times is computed and plotted below. 0 10 20 30 40 50 Wall coordinate,

Ngày tải lên: 08/08/2014, 17:20

... The Extended Surfaces Model for an Array of Straight Rectangular Fins was used with the Correlations Toolpad to determine the effect of adding fins, and a copy of the program is appended. With ... trailing edge of the fin is () 2 1/2 2w 5w / Re δ = () 0.84 mm S t . =<<− Hence, the assumption of parallel flow over a flat plate is reasonable. (2) If a finned heat sink is not employed ... width, m PROBLEM 7.32 KNOWN: Operating power of electrical components attached to one side of copper plate. Contact resistance. Velocity and temperature of water flow on opposite side. FIND: (a)

Ngày tải lên: 08/08/2014, 17:20

... is not as pronounced. The temperature distributions were computed from Eq. 8.43, with h assumed to be independent of x. For laminar flow ( m  = 0.005 kg/s), h was based on the entire tube ... conductivity of steel pipe Temperature and velocity of water flow in pipe Temperature and velocity of air in cross flow over pipe Cost of producing hot water FIND: Daily cost of heat ... tube of 20 mm diameter and 780 mm length with helium heated -3 from 60 0 K to 1000 K at 8 × 10 kg/s FIND: (a) Uniform tube wall temperature required to heat. .. approximated as a tube of

Ngày tải lên: 08/08/2014, 17:20

... (14,15) Summary of the convection coefficient calculations. The results of the analysis with L = 10 m are summarized below. Continued … [...]... counterflow heat exchanger with balanced flow rates, ... temperature of 400 K as UA → ∞ and ε → 1 COMMENTS: Note that, for conditions of part (a), Eq 11.33 yields a value of ε = 0.5 38, which reveals the level of approximation associated with ... exchanger of Example 11.1; maintaining the outlet oil temperature of 60 ° C, but with variable rate of cooling water, all other conditions remaining the same. FIND: (a) Calculate and plot the required

Ngày tải lên: 08/08/2014, 17:20

... conservation of energy at an instant of time to a control... intensity of the reflected irradiation leaving the target, It,ref; emissive power of the target, Et; intensity of the emitted radiation ... the distance of separation, (4) ∆r << r i , such that A 2 ≈ 2 π r i ∆r, and (5) Backside of A 2 is insulated. ANALYSIS: The radiant power leaving A 1 intercepted by A 3 is of the form ... reflectivity renders the reflected component of J s comparable to the emitted component. PROBLEM 12.84 KNOWN : Sample at T s = 700 K with ring-shaped cold shield viewed normally by a radiation detector.

Ngày tải lên: 08/08/2014, 17:20

... fixed value of RaL was prescribed for Eq (1), while a second 3 value of RaL,2 ≡ gβ(Ts,i – Ts,o)L /αν was computed from the solution The prescribed value of RaL was replaced by the value of ... recomputed and the process repeated until satisfactory agreement is obtained between the initial and computed values of T1 and T2 2 (2) The resistance of a section of low density particle board ... required of the coolant system is q q kW cs s =− = 655. < COMMENTS: The effect of the shield is to reduce the coolant system heat rate by a factor of nearly seven. Maintaining the integrity of

Ngày tải lên: 08/08/2014, 17:20

... United States of America Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored ... Subscription price b Number of rights needed: Old Number of rights needed shares ϭ to buy a share of stock New shares c Value of a right: Value of a right ϭ Rights-on price Ϫ Ex-rights ... offer, 529 initial public offering, see Initial public offering (IPO) prospectus, 528 red herring, 528 registration statement, 528–529 Regulation A, 528 rights offer, see Rights offer seasoned

Ngày tải lên: 26/06/2016, 00:09

... mathematics IN THE FIFTH EDITION The elements that proved successful in previous editions remain in this edition However, we have reordered several sections and added some new topics Many of the problem ... leading provider of customized learning solutions with office locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan Locate your local office at: www.cengage.com/international ... Acquisitions Editor: Marc Bove Assistant Editor: Stefanie Beeck Editorial Assistant: Rebecca Dashiell © 2010, 2006 Brooks/Cole, Cengage Learning ALL RIGHTS RESERVED No part of this work covered by the

Ngày tải lên: 18/05/2017, 10:17

... distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students This edition is intended for use outside of the U.S only, with content that ... This edition is intended for use outside of the U.S only, with content that may be different from the U.S Edition This may not be resold, copied, or distributed without the prior consent of the ... This edition is intended for use outside of the U.S only, with content that may be different from the U.S Edition This may not be resold, copied, or distributed without the prior consent of the

Ngày tải lên: 27/10/2017, 09:24

... the United States the USD from A) devalued; $20.67/oz to $35.00/oz of gold B) devalued; $35.00/oz to $20.67/oz of gold C) revalued; $20.67/oz to $35.00/oz of gold D) revalued; $35.00/oz ... too much money B) interrupted the free movement of gold C) lasted too long D) used gold as the main ingredient in armament plating Answer: B Diff: Topic: 2.1 History of the International Monetary ... Currency risks and costs related to exchange rate uncertainty are reduced C) Consumers and business enjoy price transparency and increased price-based competition D) All of the above Answer: D Diff:

Ngày tải lên: 27/10/2017, 09:25

... German chemist Robert Bunsen led to the discovery of cesium in 1860 and rubidium in 1861. Kirchhoff was also credited with the Kirchhoff law of radiation. Thus Kirchhoff is famous among engineers, ... efforts resulted in his famous law. He was awarded the Copley Medal in 1841 by the Royal Society of London. In 1849, he was given the Professor of Physics chair by the University of Munich. To ... large variety of electric circuits. Kirchhoff’s lawswerefirst introduced in 1847 by theGermanphysicistGustav Robert Kirchhoff (1824–1887). These laws are formally known as Kirchhoff’s current...

Ngày tải lên: 08/05/2014, 15:37

... Substitution property of equality. 5.25. Sum of the angle measures of a triangle. Acceptance of the parallel postulate makes possible the proof of the next theorem, one of the most widely used theorems ... exterior of the triangle. The exterior of a triangle is the set of points of the plane of the triangle that are neither elements of the triangle nor of its interior. Thus, exterior of LABC = [(interior ... a statement of what is given in terms of the figure, (4) a statement of what is to be proved in terms of the figure, and (5) a logical series of statements substantiated by accepted definitions,...

Ngày tải lên: 31/03/2014, 16:13

... reserved. No part of this Manual may be displayed, reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used beyond the limited distribution ... reserved. No part of this Manual may be displayed, reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used beyond the limited distribution ... reserved. No part of this Manual may be displayed, reproduced or distributed in any form or by any means, without the prior written permission of the publisher, or used beyond the limited distribution...

Ngày tải lên: 01/04/2014, 11:53