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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
172c1e24-2b11-4e41-9242-6db3c3c82f95
The identification plate shall not be removed
True
False
What are two differences in drilling into soft formation versus rock?
Pipe or casing must follow the drill bit closely
Casing has to be driven
The drilling effect of the bit is a loosening/mixing action
All of the above
When choosing the size of the casing, the controlling factor is usually the size of the ________
Aquifer
Pump
House
Building
Why might it be important to check the plumbness and alignment of a well once digging is completed:
Determine if a vertical turbine can be installed
Assure the operation of an installed pump
Bowing of casing can occur if misaligned
All fo the above
What two ways can a modern screened well be completed
Natural development
Artificially gravel packed
Both A & B
None of the above
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