SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Torsion of Shaft
The ratio of strengths of solid to hollow shafts, both having outside diameter 'D' and hollow having inside diameter 'D/2', in torsion, is
1
16/15
2
1/4
3
1/2
4
15/16