FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

Why is development work important for water wells

Corrects damage to or clogging of formation

Increases porosity of the natural formation

Stabilizes the sand formed around the screen

All of the above

While using the Air Rotary Drill you should measure and record the amount of water being injected into the well during drilling operations

True

False

What is the average spacing of wells that is optimum for a well point system

25 ft between wells

30 ft between wells

50 ft between wells

All of the above

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

Haw is sacking used when removing a wells screen

Strips are fastened to the pulling pipe

Wired just above a coupling at the lower end of the pulling pipe

Wired just above a ring welded on the pipe

All of the above

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2