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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1
b9981342-08f6-4e45-b889-e7f307bc4ccf
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
What is the typical drying time for Portland cement?
24 hrs
12 hrs
36 hrs
72 hrs
The base plate of a pump placed directly over the well shall be designed to form a watertight seal with:
Well casing
Pump foundation
A or B
None of the above
Wells constructed for the purpose of monitoring for the presence of vapors associated with regulated tanks does not need a locking cap
True
False
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
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