As per Indian Standard Soil Classification System (IS: $1498-1970$ ), an expression for A-line is
(A) $I_{p}=0.73\left(w_{L}-20\right)$
(B) $I_{p}=0.70\left(w_{L}-20\right)$
(C) $I_{p}=0.73\left(w_{L}-10\right)$
(D) $I_{p}=0.70\left(w_{L}-10\right)$

Question ID - 1 | SaraNextGen Top Answer

As per Indian Standard Soil Classification System (IS: $1498-1970$ ), an expression for A-line is
(A) $I_{p}=0.73\left(w_{L}-20\right)$
(B) $I_{p}=0.70\left(w_{L}-20\right)$
(C) $I_{p}=0.73\left(w_{L}-10\right)$
(D) $I_{p}=0.70\left(w_{L}-10\right)$