In the elastic range of a tension test, an extensometer records an extension of 1.207 x 10-2 mm as the load increases by 5 kn. calculate the value of young’s modulus in gpa. the diameter of test piece is 7.98 mm, and the extensometer gauge length is 25 mm.

Value of Young's modulus is obtained as

Explanation:

We know from the basic stress strain relationship

Stress is obtained as

now the strain is obtained as

using these values in the above equation we obtain E as

answer:

50 vo; ts

explanation:

answer:

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