FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

Chlorine shall be placed in the well in sufficient quantities to produce a chlorine residual of at least:

200ppm

500ppm

50ppm

100 ppm

The chlorine solution shall stand in the well for a period of minimum _____hours or more

5

10

24

15

When a threadless sampling tap is installed the flowing elements shall be required:

Should be turned upward

Should be turned downward

Shall be minimum of 12 inches above land surface

B & C

What are the most important things when choosing material for a screen:

Mineral content of the water

Presence of bacterial slimes

Strength requirements of the screen

All of the above

When grout has to be placed on casing greater than 20 feet below land surface one of the following two methods must be used:

Gravity flow

Pumping

Pressure

B & C

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2