FlexiQuiz - WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY

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

specific yield

specific retention

percent retention

remaining volume

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

Iron and hydrogen

Oxygen and helium

Calcium and magnesium

None of the above

The volume of water per unit of time discharged from a well is called well ________

Output

Discharge

Yield

Draw

The level at which water stands in a well when pumping is in progress is called:

Well height

Draw level

Pumping level

Residual level

WELL CONTRACTORS CERTIFICATION WATER & HYDROGEOLOGY