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nal pressure, find wh able stresses for the

nal pressure, find wh able stresses for the

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A one mm diameter steel wire is wounded around a copper tube with external and internal diameters of 140 mm and 120 mm respectively, to increase the strength of tube against internal pressure, find what initial tension must be given to wire, so that maximum allowable stresses for the tube and wire materials 90 and 200 N/mm? respectively are reached simultaneously. Assume poisson coefficient for wire and tube material as 0.3. Modulus of elasticity for copper and steel wire 1000 N/mm' and 2000 N/mm? respectively. The.tube is open at ends.
Transcribed Image Text:A one mm diameter steel wire is wounded around a copper tube with external and internal diameters of 140 mm and 120 mm respectively, to increase the strength of tube against internal pressure, find what initial tension must be given to wire, so that maximum allowable stresses for the tube and wire materials 90 and 200 N/mm? respectively are reached simultaneously. Assume poisson coefficient for wire and tube material as 0.3. Modulus of elasticity for copper and steel wire 1000 N/mm' and 2000 N/mm? respectively. The.tube is open at ends.
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