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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1
7f2350db-d9f0-4beb-bee1-29c54facd7a5
A grout seal for clayey materials should be _______ or more
10ft
20ft
40ft
100ft
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
What (2) two reasons are most important for flow control discharge of an artesian well:
Decrease water flow during peak usage
Conserve groundwater resource
Reduce the loss of artesian hydraulic head
B & C
A& B
What is the average greatest suction lift that can be developed practically on a well point system
25ft
30ft
40ft
50ft
The action of the surge plunger can cause _____ to plaster over the screen surface
Rock
Clay
Sand
None of the above
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