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Geological Engineering · Q75

Site Investigation and Geotechnical Exploration

Engineering and GATE · Geological Engineering · question 75

Q75

What is a core barrel used for in geotechnical drilling?

A.
Measure water table
B.
Store undisturbed samples
C.
Retrieve rock cores
Answer
D.
Monitor settlement

Answer: Option C

Solution

Answer: Option C
Solution:
A core barrel is a tool used during rotary drilling to recover cylindrical rock cores, useful for geological logging and testing.