FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What is the average greatest suction lift that can be developed practically on a well point system

25ft

30ft

40ft

50ft

The action of the surge plunger can cause _____ to plaster over the screen surface

Rock

Clay

Sand

None of the above

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

The following can be used for flow discharge control for artesian well:

Valved pipe connections

Watertight pump connections

Receiving tank

Flowing well pitless adaptor, packer

All of the above

After chlorination, how long should the well be pumped before placing the well back into use:

Chlorine tested at 50ppm in water

Until water changes color

When water changes temperature

No detectable chlorine is found