FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What are two differences in drilling into soft formation versus rock?

Pipe or casing must follow the drill bit closely

Casing has to be driven

The drilling effect of the bit is a loosening/mixing action

All of the above

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

True

False

The diameter of the well casing should be _____ sizes larger than the nominal diameter of the pump

2

3

4

10

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

Drilling

Boring

Mixing

Grouting

What is the most efficient shape arrangement when aligning wells for a well point system

Straight Line

V shape

Circle arrangement

None of the above