Q82
What is the function of a core barrel in drilling?
A.
Provides water for lubrication
B.
Measures temperature
C.
Retrieves undisturbed rock samples
AnswerD.
Supports drill rig
Answer: Option C
Solution
Answer: Option C
Solution:
A core barrel is a hollow cylinder attached to a drill rig that extracts cylindrical rock samples (cores) for geological analysis.Correct Answer: Retrieves undisturbed rock samples.