5. A brass pipe has an internal diameter of 400mm and a metal thickness of 6mm. A single layer of high tensile wire of diameter 3 mm is wound closely round it at a tension of 500 N. Find : (a) the stress in the pipe when there is no internal pressure; (b) the maximum permissible internal pressure in the pipe if the working tensile stress in the brass is 60 MN/m'; (c) the stress in the steel wire under condition (b). Treat the pipe as a thin cylinder and neglect longitudinal stresses and strains. Es = 200GN/m²; EB = 100GN/m?.
5. A brass pipe has an internal diameter of 400mm and a metal thickness of 6mm. A single layer of high tensile wire of diameter 3 mm is wound closely round it at a tension of 500 N. Find : (a) the stress in the pipe when there is no internal pressure; (b) the maximum permissible internal pressure in the pipe if the working tensile stress in the brass is 60 MN/m'; (c) the stress in the steel wire under condition (b). Treat the pipe as a thin cylinder and neglect longitudinal stresses and strains. Es = 200GN/m²; EB = 100GN/m?.
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:5. A brass pipe has an internal diameter of 400mm and a metal thickness of 6mm. A
single layer of high tensile wire of diameter 3 mm is wound closely round it at a
tension of 500 N. Find :
(a) the stress in the pipe when there is no internal pressure;
(b) the maximum permissible internal pressure in the pipe if the working tensile
stress in the brass is 60 MN/m';
(c) the stress in the steel wire under condition (b). Treat the pipe as a thin cylinder
and neglect longitudinal stresses and strains. Es = 200GN/m2; EB = 100GN/m?.
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