A solid shaft of diameter 'D' caries a twisting moment that develops maximum shear stress \[\tau .\] If the shaft is replaced by a hollow one of outside diameter 'D' and inside diameter D/2, then the maximum shear stress

A solid shaft of diameter 'D' caries a twisting moment that develops m

1.	A solid shaft of diameter 'D' caries a twisting moment that develops maximum shear stress \[\tau .\] If the shaft is replaced by a hollow one of outside diameter 'D' and inside diameter D/2, then the maximum shear stress
A.	\[1.067\,\tau \]
B.	\[1.143\,\tau \]
C.	\[1.333\,\tau \]
D.	\[2\,\tau \]
Answer» B. \[1.143\,\tau \]

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A solid shaft of diameter 'D' caries a twisting moment that develops maximum shear stress \[\tau .\] If the shaft is replaced by a hollow one of outside diameter 'D' and inside diameter D/2, then the maximum shear stress

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