FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

A surge plunger should not be used unless a sufficiently free flow of water has been established so that the tool runs smoothly

True

False

Well point systems are typically used under the following conditions

Water table is within a few feet of the ground surface

Pumping from wells is with suction lift

Water bearing sand must exist at depths of 20-50 ft

All of the above

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

Grout shall extend outward in all directions from the casing wall to a minimum thickness equal to either _________of the diameter of the outside dimension of the casing or ____ in, whichever is greater

1/4, 4 in

1/3, 6 in

1/3, 2in

1/5, 1in

What is the objective of the bail down method of well screening:

Whole assembly is sunk into formation

Less tools are needed

Remove sand from below the screen so the screen will settle down as sand is displaced

None of the above