2091. In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good______________? September 7, 2025 by Admin A. mc/t = n/(d – n) B. (m + c)/t = n/(d + n) C. (t + c)/n = (d + n)/n D. mc/t = (d – n)/t ✅ The correct answer is option A.
