(CWD) Certified Well Driller Practice Test
CWD Well Construction & Casing Design
What is the primary purpose of well casing in a drilled water well?
Select your answer
A
To prevent borehole collapse and protect the water supply from contamination
B
To increase water flow rates by compressing surrounding formations
C
To reduce construction costs by minimizing excavation volume
D
To provide a pathway for monitoring groundwater temperature
Hint
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