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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
bfbd6664-0aef-4f8d-a99a-74a90036d847
What is the process called to eliminate the “skin effect” and loosen up sand around the screen
Clearance
Well development
Drilling
None of the above
When might spacing between wells in well point systems be greater than 50ft
Depth and thickness of the aquifer allow well screens 10ft or longer
Large pockets of rocks within aquifer
Piping is too large
None of the above
What is NOT required when using pitless adapters or units as a method of well head completion:
Top of the unit extends at least 12 in above the land surface
Compatible with the well casing
Casing and pitless device is filled with grout from the top of the casing grout to the land surface
An access port is not required
A surge plunger should not be used unless a sufficiently free flow of water has been established so that the tool runs smoothly
True
False
The entire depth of the well shall be sounded before it is sealed to ensure freedom from obstructions that may interfere with sealing operations
True
False
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