The ratio of the moments of resistance of a solid circular shaft of di – McqOptions

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1.	The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d), is
A.	D4/(D4 – d4)
B.	D3/(D3 – d3)
C.	(D4 – d4)/D4
D.	(D3 – d3)/D3
Answer» B. D3/(D3 – d3)

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