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 conditions can be found that cause mineral deposits when the pH is higher than 7

Carbonate hardness

Iron

Manganese

All of the above

None of 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

A compressor used for air surging a well should be capable of developing a maximum pressure of between __________ psi and ___________ psi>

75, 100

80, 120

100, 150

200, 300

None of the above

When a well is used for dewatering, what is the required time frame the well must be permanently abandoned once dewatering has finished

5 days or less

10 days or less

30 days or less

60 days or less