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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
607fff24-5042-4331-9d4c-f46f25f64a6d
Driven wells can be installed only in soft formations free from ________
Water
Grass
Rocks
All of the above
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
When a threadless sampling tap is installed the flowing elements shall be required:
Should be turned upward
Should be turned downward
Shall be minimum of 12 inches above land surface
B & C
What conditions can be found in corrosive water where the pH is lower 7:
Hydrogen sulfide
Carbon dioxide
Chlorides
All of the above
None of the above
What is the most efficient shape arrangement when aligning wells for a well point system
Straight Line
V shape
Circle arrangement
None of the above
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