FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?

Plaster sand

Mortar sand

Play sand

Both A & B

What is the general accepted rate for determining compressor capacity

¾ cubic ft of air per gallon of water

2 cubic ft of air per 2 gallons of water

½ cubic ft of air per 3 gallons of water

None of the above

Where in the space should the introduction of grout occur first:

Top fo the space

Bottom of the space

Middle of the space

Outside the casing

After chlorination, how long should the well be pumped before placing the well back into use:

Chlorine tested at 50ppm in water

Until water changes color

When water changes temperature

No detectable chlorine is found

When constructing a gravel or sand packed well the following materials are accepted:

Quartz

Gravel

Acceptable rock

All of the above