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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
68315da5-044e-42d5-9cc1-ca775b1b4682
Exploratory drilling may be done for (2) two reasons:
Ground water study of an area
Preliminary prior to well disgn/construction
Neither A or B
Both A & B
When using the Bailer Method for testing capacity of a well what is the minimum time water should be bailed from the well?
Minimum of 1 hour
At least 2 hours
Minimum of 3 hours
No less than 6 hours
What other materials and methods of disinfection can be used:
Bromine combination
Upon approval of the Department
Flourine concentrate
None of the above
A grout seal for clayey materials should be _______ or more
10ft
20ft
40ft
100ft
What is the process called to eliminate the “skin effect” and loosen up sand around the screen
Clearance
Well development
Drilling
None of the above
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