Question

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 stress than the outer side

b.

it is subjected to a higher cyclic loading 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

Posted under Mechanical Engineering

Answer: (b).it is subjected to a higher cyclic loading than the outer side

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Q. The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that

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