FlexiQuiz - WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY

What two elements are utilized to express the “hardness” of water?

Iron and hydrogen

Oxygen and helium

Calcium and magnesium

None of the above

When calculating specific capacity on a well, if the pumping rate is 200 gpm (gallons per minute) and the drawdown is 40ft what is the specific capacity?

25 gpm per ft

15 gpm per ft

5 gpm per ft

1 gal per ft

When the water level is being measured (ft) during drawdown on a well the difference measured is between what two levels?

Between the static level and pumping level

Between the ground level and water level

None of these

All of these

A unit used to measure well yield can be:

GPM – gallons per minute

GPH – Gallons Per Hour

CFS – Cubic feet Per Second

All of the Above

The following terms can be applied to well screen(s)

Allow flow of “sand free” water

Causes minimum loss of head during use

Called the “business end” of the well

All of the above

WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY

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