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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
e63f9206-5a8b-4597-a6e3-7294b04a7d4f
The identification plate shall not be removed
True
False
The borehole shall not penetrate to a depth greater than the depth at which injection will occur
True
False
A well be required to have an annular grout seal thickness greater than ____ inches
2
4
6
8
What is a “lead slip packer” used for?
Pull gravel from annular space
Similar in shape to a drive shoe
A mechanical seal used for sealing annular space
Both C & D
After chlorination, how long should the well be pumped before placing the well back into use:
Chlorine tested at 50ppm in water
Until water changes color
When water changes temperature
No detectable chlorine is found
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