Q10
The primary purpose of trial pits is to:
A.
Collect deep rock samples
B.
Observe groundwater flow
C.
Investigate shallow subsurface conditions visually
AnswerD.
Perform pile load tests
Answer: Option C
Solution
Answer: Option C
Solution:
Trial pits are shallow excavations used to visually inspect and sample near-surface soils.They are suitable for small projects or detailed shallow investigations.