FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What is the typical drying time for Portland cement?

24 hrs

12 hrs

36 hrs

72 hrs

Vertical seepage can occur readily outside when ______ is left unsealed in the ground near the surface

Borehole

Casing

Creviced rock

Wellhead

The well screen length is optimum when:

Chosen with relation to the thickness of the aquifer

Chosen with respect to available drawdown

Chosen based on stratifications of the aquifer

All of the above

None of the above

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

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

Drilling

Boring

Mixing

Grouting