FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

The well contractor identification plate is required to be installed within ______ hours after drilling is complete:

24

36

48

72

The well screen length is optimum when:

Chosen with relation to the thickness of the aquifer

Chosen with respect to available drawdown

Chosen based on stratifications of the aquifer

All of the above

None of the above

Why is development work important for water wells

Corrects damage to or clogging of formation

Increases porosity of the natural formation

Stabilizes the sand formed around the screen

All of the above

Grout may be introduced by a pump through a pipe that may be introduced into the _______ outside the casing

Mud

Borehole

Top space

Annular space

Screws or similar mechanical fasteners shall not be used for joining PVC well casing

True

False

WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM