FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

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

What are the most important things when choosing material for a screen:

Mineral content of the water

Presence of bacterial slimes

Strength requirements of the screen

All of the above

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

When removing wells screens of 16 inch diameter or larger a _______ is used at the lower end of the pulling pipe instead rather than sacking

Fork

Spear

Steel disk

End pipe

A water supply well shall not be located in any of the following areas:

Depressions

Drainage ways

Other landscapes

All of the above

WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM