Question 4. A tensile test is carried out on a bar of mild steel of diameter 2 cm. The bar yields under a load of 80 Kn. It reaches a maximum load of 150 kN, and breaks finally at a load of 70 kN. Estimate: a)the tensile stress at the yield point b)the ultimate tensile stress c)the average stress at the breaking point if the diameter of the fractured neck is 1 cm.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Question 4. A tensile test is carried out on a bar of mild steel of diameter 2 cm. The bar yields under a load of 80 Kn.
It reaches a maximum load of 150 kN, and breaks finally at a load of 70 kN.
Estimate:
a)the tensile stress at the yield point
b)the ultimate tensile stress
c)the average stress at the breaking point if the diameter of the fractured neck is 1 cm.
Transcribed Image Text:Question 4. A tensile test is carried out on a bar of mild steel of diameter 2 cm. The bar yields under a load of 80 Kn. It reaches a maximum load of 150 kN, and breaks finally at a load of 70 kN. Estimate: a)the tensile stress at the yield point b)the ultimate tensile stress c)the average stress at the breaking point if the diameter of the fractured neck is 1 cm.
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