The modulus of elasticity, $E=5000 \sqrt{f_{\mathrm{ck}}}$ where $f_{\mathrm{ck}}$ is the characteristic compressive strength of concrete, specified in IS:456-2000 is based on
(A) tangent modulus
(B) initial tangent modulus
(C) secant modulus
(D) chord modulus

Question ID - 156356 | SaraNextGen Top Answer

The modulus of elasticity, $E=5000 \sqrt{f_{\mathrm{ck}}}$ where $f_{\mathrm{ck}}$ is the characteristic compressive strength of concrete, specified in IS:456-2000 is based on
(A) tangent modulus
(B) initial tangent modulus
(C) secant modulus
(D) chord modulus