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A specimen of steel has a gauge length of 50 mm and a cross-section which measures 20 mm x 5 mm. It gave the following results when subjected to a tensile test. Extension Load (kN) (mm) 0.33 0.025 2.97 0.060 5.60 0.091 8.30 0.130 10.95 0.184 13.57 0.258 14.90 0.393 15.53 0.600 15.93 1.067 16.60 7.769 From these results, plot stress-strain curve and determine: 24. 0.2% Proof stress for the material [2 Marks] 25. The percentage elongation at failure [2 Marks]

A specimen of steel has a gauge length of 50 mm and a cross-section which measures 20 mm x 5 mm. It gave the following results when subjected to a tensile test. Extension Load (kN) (mm) 0.33 0.025 2.97 0.060 5.60 0.091 8.30 0.130 10.95 0.184 13.57 0.258 14.90 0.393 15.53 0.600 15.93 1.067 16.60 7.769 From these results, plot stress-strain curve and determine: 24. 0.2% Proof stress for the material [2 Marks] 25. The percentage elongation at failure [2 Marks]

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 specimen of steel has a gauge length of 50 mm and a cross-section which measures 20 mm x 5 mm. It gave the following results when subjected to a tensile test. Extension Load (kN) (mm) 0.33 0.025 2.97 0.060 5.60 0.091 8.30 0.130 10.95 0.184 13.57 0.258 14.90 0.393 15.53 0.600 15.93 1.067 16.60 7.769 From these results, plot stress-strain curve and determine: 24. 0.2% Proof stress for the material [2 Marks] 25. The percentage elongation at failure [2 Marks]
Transcribed Image Text:A specimen of steel has a gauge length of 50 mm and a cross-section which measures 20 mm x 5 mm. It gave the following results when subjected to a tensile test. Extension Load (kN) (mm) 0.33 0.025 2.97 0.060 5.60 0.091 8.30 0.130 10.95 0.184 13.57 0.258 14.90 0.393 15.53 0.600 15.93 1.067 16.60 7.769 From these results, plot stress-strain curve and determine: 24. 0.2% Proof stress for the material [2 Marks] 25. The percentage elongation at failure [2 Marks]
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