railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Torsion of Shaft Effect on Shaft
The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow shaft having inside diameter D / 2, in torsion, is
1
16 / 15
2
1 / 2
3
1 / 16
4
15 / 16