Question

Calculate the liquidity index and activity (using Skempton's expression) with test results
as follows:
Plastic limit = 28% , liquid limit = 75%, natural water content = 21%, and
%age of clay sized fraction is 25%
a) 0.14, 1.88
b) -0.14, 1.88
c) 0.87, 1.88
d) -1.14,1.88​

Answer 1

I think the answer is C

Answer 2

Explanation:

b option

-0.14,1.88 this is fully correct ans