Q68
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that
A.
It is subjected to a higher cyclic loading than the outer side
AnswerB.
It is subjected to a higher stress than the outer side
C.
It is more stretched than the outer side during the manufacturing process
D.
It has a lower curvature than the outer side
Answer: Option A
Solution
Answer: Option A
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