engineering recuitment ECIL GET Mechanical Mock Test 2024 Strength of Materials Torsion of Shaft Moment of Inertia about Polar Axis
A Polar moment of Inertia for hollow shaft with external diameter and internal diameter is given by:
1
\(\frac{\pi (D^3-d^3)}{32}\)
2
\(\frac{\pi (D^4-d^4)}{32}\)
3
\(\frac{\pi (D^3-d^3)}{16}\)
4
\(\frac{\pi (D^2-d^2)}{8}\)