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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2
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The action of the surge plunger can cause _____ to plaster over the screen surface
Rock
Clay
Sand
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
Every artesian flowing well shall be constructed, equipped, and operated to prevent the uncontrolled discharge of groundwater
True
False
What are reasons a well screen might be pulled
Removal of encrusting of materials on the screen that cannot be removed from chemical treatment
Corrosion of the screen allowing sand to enter water
Abandonment of the well and retrieval of parts
All of the above
What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?
Plaster sand
Mortar sand
Play sand
Both A & B
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