FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

Why might it be important to check the plumbness and alignment of a well once digging is completed:

Determine if a vertical turbine can be installed

Assure the operation of an installed pump

Bowing of casing can occur if misaligned

All fo the above

The size of the grout space to be provided when drilling the well usually depends upon the method of _________

Drilling

Boring

Mixing

Grouting

In order to assure that grout will provide a complete seal it should be placed________

Filled at various times when convenient

Filled with all types of grout

One continuous operation

None of the above

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

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

WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM