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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1
7c7cf315-64c2-4b56-aa7c-61b04faeb550
When grout has to be placed on casing greater than 20 feet below land surface one of the following two methods must be used:
Gravity flow
Pumping
Pressure
B & C
The diameter of the well casing should be _____ sizes larger than the nominal diameter of the pump
2
3
4
10
Chlorine shall be placed in the well in sufficient quantities to produce a chlorine residual of at least:
200ppm
500ppm
50ppm
100 ppm
A compressor used for air surging a well should be capable of developing a maximum pressure of between __________ psi and ___________ psi>
75, 100
80, 120
100, 150
200, 300
None of the above
The pump installation plate information shall have the following information:
Date the pump was installed
Depth of the pump intake
Horsepower rating of the pump
All of the above
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