1024. The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by_______________? September 7, 2025 by Admin A. fcr=0.35Vf7 B. fcr=0.57f7 C. fcr=0.7Vf7 D. fcr=1.2Vf7 ✅ The correct answer is option C.
