SSC JE Mechanical Engineering 2018 Set 1 Paper

Question : 126 of 200

Marks: +1, -0

Choose the INCORRECT option for the equation of elongation of a uniform rod having length L due to the self weight W.

Solution:

When a cylindrical rod of length

l

and diameter ‘d’ is rigidly fixed at it’s top end hangs vertically than the elongation of the rod due to it’s own weight

δ={ Wl} /{2AE}

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