FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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

Neat cement grout shall consist of a mixture of not more than ______gallons of clear, potable water to _____94 pound bag of Portland cement

10 gal, 2 bags

6 gal, 1 bag

8 gal, 3 bags

22 gal, 4 bags

Casing in wells constructed to obtain water from an unconsolidated rock formation (such as gravel, sand, or shells) shall extend at least ______ ft into the top of the water-bearing formation

1

3

5

7

Thermoplastic casing shall not be driven by impact, but may be pushed

True

False

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

200ppm

500ppm

50ppm

100 ppm