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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2
63e9c897-9b96-4fa0-bdeb-6fd2b9d7ee2b
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 are ways the grout can be forced into a space when gravity may not be practical:
Pump
Air pressure
Water pressure
All of the above
What other materials and methods of disinfection can be used:
Bromine combination
Upon approval of the Department
Flourine concentrate
None of the above
What is the average greatest suction lift that can be developed practically on a well point system
25ft
30ft
40ft
50ft
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
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