1567. The total length of a cranked bar through a distance D. at 45° in case of a beam of effective length L, is_________________? September 7, 2025 by Admin A. L + 0.42 d B. L + (2 × 0.42 d) C. L – (0.42 d) D. L – (2 × 0.4 d) ✅ The correct answer is option B.