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 size well screens are better pulled using a pipe of smaller diameter locked inside the screen by means of a sand joint

2 inches

4 inches

6 inches

Both B & C

Chlorine shall be placed in the well in sufficient quantities to produce a chlorine residual of at least:

200ppm

500ppm

50ppm

100 ppm

Measurements within an accuracy of plus or minus one inch must be recorded when using the Pump Method

True

False

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