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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2
23bea1bc-b923-412e-8faf-e44f60d31f7e
The chlorine solution shall stand in the well for a period of minimum _____hours or more
5
10
24
15
Vertical seepage can occur readily outside when ______ is left unsealed in the ground near the surface
Borehole
Casing
Creviced rock
Wellhead
The diameter of the well casing should be _____ sizes larger than the nominal diameter of the pump
2
3
4
10
In order to assure that grout will provide a complete seal it should be placed________
Filled at various times when convenient
Filled with all types of grout
One continuous operation
None of the above
A well be required to have an annular grout seal thickness greater than ____ inches
2
4
6
8
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