FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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

What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:

Drill bit

Pliers

Sand

Groundwater

What is required on a non-drinking water well identification plate that is not required on a drinking water supply well:

Name of contractor

Date the well was completed

Warning that the well is not a potable water supply

Warning groundwater may contain hazardous materials

Both C & D

None of the above

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

When choosing the size of the casing, the controlling factor is usually the size of the ________

Aquifer

Pump

House

Building