FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

After chlorination, how long should the well be pumped before placing the well back into use:

Chlorine tested at 50ppm in water

Until water changes color

When water changes temperature

No detectable chlorine is found

When an open borehole has been drilled below the depth to which the casing is to be grouted, what must happen:

Lower part of the hole must be backfilled

A bridge must be set in the hole

Sticks should be placed in frame

Both A & B

A well may be permanently abandoned when the following occurs:

Owner allows non owner to service well

Owner maintains the well

Becomes a source of contamination to groundwater supply

All of the above

For water well drilling, a weight of about _____ lb per gallon is desirable:

2

5

8

9

What is the general accepted rate for determining compressor capacity

¾ cubic ft of air per gallon of water

2 cubic ft of air per 2 gallons of water

½ cubic ft of air per 3 gallons of water

None of the above

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2