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Mechanical Engineering · Q68

Machine Design

Engineering and GATE · Mechanical Engineering · question 68

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
Answer
B.
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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