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

Driven wells can be installed only in soft formations free from ________

Water

Grass

Rocks

All of the above

The 6ft telescope size of screen should fit in a ______ standard pipe.

8 in

6 in

12 in

10 in

Drilling fluid essential functions include all of the following EXCEPT:

Seal wall of the borehole to reduce fluid loss

Cool and clean the drill bit

Support the wall of the borehole to prevent caving

Pushes cuttings to t he bottom of the drilling hole

All of the above

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

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2