The initial concavity in the load-penetration curve of a CBR test is NOT due to
(A) uneven top surface
(B) high impact at start of loading
(C) inclined penetration plunger
(D) soft top layer of soaked soil
The initial concavity in the load-penetration curve of a CBR test is NOT due to
(A) uneven top surface
(B) high impact at start of loading
(C) inclined penetration plunger
(D) soft top layer of soaked soil