The ratio of strengths of solid to hollow shafts, both having outside – McqOptions

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1.	The ratio of strengths of solid to hollow shafts, both having outside diameter and hollow having inside diameter /2, in torsion, is
A.	1/4
B.	1/2
C.	1/16
D.	15/16
E.	3/8
Answer» E. 3/8

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