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Electrical Engineering Problems (Paperback) Loot Price: R280
Discovery Miles 2 800
Electrical Engineering Problems (Paperback): Francis Cary Caldwell
Electrical Engineering Problems (Paperback): Francis Cary Caldwell

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Electrical Engineering Problems (Paperback)

Francis Cary Caldwell

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Loot Price R280 Discovery Miles 2 800

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1914 Excerpt: ... Note.--The system of sizes, known as the B. & S. gauge, represent a geometric series between No. 4/0 and No. 36, and involve, therefore, large numbers of decimals for their exact expressions. In preparing the above table the specifications of the American Society for Testing Materials, dated June 1, 1912, were taken into consideration. These provide that for soft wires the permissible variation from nominal diameter shall be for wire 0.01 inch in diameter and larger, 1% over or under. For wires less than 0.01 inch in diameter, 0.1 mil over or under. For medium hard and hard wire 1% variation is allowed for wires 0.1 inch and larger, and 1 mil for smaller wires. In expressing the size of such wires not more than three decimals of an inch shall be used, namely, whole mils. The specifications further condemn the use of large numbers of decimals in expressing the diameter of wires, and recommend that actual diameters rather than gauge numbers be used. MAGNET WIRE For magnet wire double-cotton-covered, to obtain the diameter add for wires from 4/0 to 8 14 mils 9 to 15 11 mils 16 to 34 9 mils 35 to 37 8i mils 37 to 40 8 mils to the diameter of the bare wire. While these values represent fairly the average results obtained from good quality material, better values are sometimes obtained. ELECTRICAL ENGINEERING PROBLEMS F. C. CALDWELL Copyright, 1914, by the McGraw-Hill Book Company, Inc. Note.--These answers are usually carried further than the data given would warrant, in order to form a basis of comparison. PART I DIRECT CURRENT CHAPTER 9. 35, 25, 10. 12, 24. 70, 210, 24. 0.00160, 0.00255, 0.0182, 129.55. 25, 1.5. 2, 1; 2, 2000. 0.666, 0.0833; 1J, 12; 10, 6, 4; 12, 8. CHAPTER 5.68, 22.73, 181.8, 285.7; 32.29, 7. 2.74%; 516.5, 1.11%; 33,060, 0.121%, 81,630, 2.26%...

General

Imprint: General Books LLC
Country of origin: United States
Release date: February 2012
First published: February 2012
Authors: Francis Cary Caldwell
Dimensions: 246 x 189 x 2mm (L x W x T)
Format: Paperback - Trade
Pages: 30
ISBN-13: 978-1-4590-3335-1
Barcode: 9781459033351
Categories: Books
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LSN: 1-4590-3335-3

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