FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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

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

The action of the surge plunger can cause _____ to plaster over the screen surface

Rock

Clay

Sand

None of the above

What are ways the grout can be forced into a space when gravity may not be practical:

Pump

Air pressure

Water pressure

All of the above

Why is the “sand lock” method considered a good way to remove a well screen

It is an old method

Soil mechanics has demonstrated that clean sand can resist high stress

Most reliable for transmitting pulling force to the well screen

Both B & C