FlexiQuiz - WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY

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

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

How is the static water level generally recognized and measured in a well?

Measure the diatance of the well head to the ground

Measure the distance from the top of the water in well to the ground surface

Measure the distance from the well pump to the ground

Measure the water after shutting off the flow of the well

Both b & d

The quantity of water that is retained when water is subject to gravity drainage is called ________

specific yield

specific retention

percent retention

remaining volume

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

WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY