1168. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________? September 7, 2025 by Admin A. 1.5dV/C B. 1.5d¥/C C. 1.5d¥/C2 D. 1.5dY/C3 ✅ The correct answer is option C.