FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What is the typical drying time for Portland cement?

24 hrs

12 hrs

36 hrs

72 hrs

What is the process called to eliminate the “skin effect” and loosen up sand around the screen

Clearance

Well development

Drilling

None of the above

For water well drilling, a weight of about _____ lb per gallon is desirable:

2

5

8

9

A setback of a minimum of ______ ft is required for a well from a septic tank, drainfield and drainfield repair area

25ft

100ft

50ft

75ft

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