soil has a L.L. of 50% and P.L. 30% . when the soil at L.L. is dried.% decrease in vol. was 40% of dry volume. when it was dried from its P.L. %Dec. in vol. is 20% of its dry vol.Shrinkage limit is:?
a) 10%
b) 20%
c) 25%
d) 50 %
soil mechanics: properties of soils