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Exa QUESTION 2 (25 marks) son id or create i. Table 1 is provided in the Appendix. The values shown in Table 1 were obta
Posted: Thu Apr 28, 2022 8:40 pm
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- Exa Question 2 25 Marks Son Id Or Create I Table 1 Is Provided In The Appendix The Values Shown In Table 1 Were Obta 1 (81.76 KiB) Viewed 28 times
Exa QUESTION 2 (25 marks) son id or create i. Table 1 is provided in the Appendix. The values shown in Table 1 were obtained during a tensile test on a mild steel specimen of circular cross-section. The initial diameter of the specimen = 25 mm (area = 490.94 mm?) The diameter at the end of test =18.6 mm (area = 271.75 mm) Gauge length = 250 mm k as done a. Compute the missing values in the stress and strain columns of Table 1. (Place the missing values in Table 1. Attach the finished table to your answer booklet) (6 Marks) Aments omme to Marva Bla com b. Use the values shown in Table 1 to construct a stress/strain curve for the mild steel specimen. Label the graph. (Attach the graph paper to your answer booklet). (5 Marks) c. Determine the modulus of elasticity for the steel. (3 Marks) d. Calculate the load at the steel yield point of the steel bar. (2 Marks) e. Briefly discuss the phenomenon that explains the process of elongation. (5 Marks) f. Explain the importance of using corrosion-free reinforcement bar to produce reinforced concrete members. (4 Marks)