engineering recuitment ONGC AEE Mechanical Mock Test 2025 Engineering Mechanics Moment of Inertia and Centroid
Section modulus of Hollow Circular Section having external Dia. (D) and internal Dia. (d) is
1
π(D - d)4 / 32
2
π(D4 - d4) / 36D
3
π(D4 - d4) / 32D
4
π(D - d)4 / 36
5
π(D4 - d4) / 16D