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.
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.
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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Transcribed Image Text:FA 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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