FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?

Plaster sand

Mortar sand

Play sand

Both A & B

What (2) two reasons are most important for flow control discharge of an artesian well:

Decrease water flow during peak usage

Conserve groundwater resource

Reduce the loss of artesian hydraulic head

B & C

A& B

What is meant by developing a well in a well point system

After a well point is driven it should be cleaned out

Surging water in an out through the screen openings

Remove silt and fine particles of sand from formation

All of the above

Grout may be introduced by a pump through a pipe that may be introduced into the _______ outside the casing

Mud

Borehole

Top space

Annular space

The mineral content in the Mountain region and most of the Piedmont is generally less than total dissolved solids of 100 mg/l (milligrams per liter)

True

False