railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Torsion of Shaft Effect on Shaft
The cross-sectional area of a solid shaft of 40 mm diameter is the same as of a hollow shaft of the same material and of inside diameter of 30 mm. What will be the ratio of the power transmitted by solid shaft to that of the hollow shaft for the same angular velocity?
1
\(\frac{{17}}{{10}}\)
2
\(\frac{{10}}{{17}}\)
3
\(\frac{{2}}{{17}}\)
4
\(\frac{{17}}{{2}}\)