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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
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Where in the space should the introduction of grout occur first:
Top fo the space
Bottom of the space
Middle of the space
Outside the casing
Drilling fluid essential functions include all of the following EXCEPT:
Seal wall of the borehole to reduce fluid loss
Cool and clean the drill bit
Support the wall of the borehole to prevent caving
Pushes cuttings to t he bottom of the drilling hole
All of the above
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
What is required on a non-drinking water well identification plate that is not required on a drinking water supply well:
Name of contractor
Date the well was completed
Warning that the well is not a potable water supply
Warning groundwater may contain hazardous materials
Both C & D
None of the above
What is NOT required when using pitless adapters or units as a method of well head completion:
Top of the unit extends at least 12 in above the land surface
Compatible with the well casing
Casing and pitless device is filled with grout from the top of the casing grout to the land surface
An access port is not required
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