Q56
A rod of a metal with Young's modulus of 200 GPa is pulled in tension to a stress of 400 MPa. What is the elastic strain (in %) that is recovered, when the rod is completely unloaded?
A.
0.1
B.
0.2
AnswerC.
0.3
D.
0.4
Answer: Option B
Solution
Answer: Option B
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