a) A thin strip of rubber-like material has an unstretched length of 345 mm. i. If it is stretched around a pipe having an outer diameter of 112 mm, determine the average normal strain in the strip, assuming linear elastic behaviour. (3 marks) ii. A steel wire of diameter dwire = 1.5 mm also has an initial length of 345 mm. The Young’s Modulus of the steel material is 190 GPa and its yield strength is 275 MPa. What is the maximum pipe diameter that the wire can be stretched around without yielding and what is the magnitude of the tensile force in the wire for this elongation? Give your answers to two decimal places
a) A thin strip of rubber-like material has an unstretched length of 345 mm. i. If it is stretched around a pipe having an outer diameter of 112 mm, determine the average normal strain in the strip, assuming linear elastic behaviour. (3 marks) ii. A steel wire of diameter dwire = 1.5 mm also has an initial length of 345 mm. The Young’s Modulus of the steel material is 190 GPa and its yield strength is 275 MPa. What is the maximum pipe diameter that the wire can be stretched around without yielding and what is the magnitude of the tensile force in the wire for this elongation? Give your answers to two decimal places
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) A thin strip of rubber-like material has an unstretched length of 345 mm.
i. If it is stretched around a pipe having an outer diameter of 112 mm, determine the
average normal strain in the strip, assuming linear elastic behaviour. (3 marks)
ii. A steel wire of diameter dwire = 1.5 mm also has an initial length of 345 mm. The
Young’s Modulus of the steel material is 190 GPa and its yield strength is 275
MPa. What is the maximum pipe diameter that the wire can be stretched around
without yielding and what is the magnitude of the tensile force in the wire for this
elongation? Give your answers to two decimal places
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