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