Q. 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
Ans: high impact at start of loading
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
We will be happy to hear your thoughts