Two shafts '' and '' are made of same material. The shaft '' is solid – McqOptions

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1.	Two shafts '' and '' are made of same material. The shaft '' is solid and has diameter . The shaft '' is hollow with outer diameter and inner diameter /2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
A.	1/16
B.	1/8
C.	1/4
D.	15/16
Answer» E.

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