FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Why is the “sand lock” method considered a good way to remove a well screen

It is an old method

Soil mechanics has demonstrated that clean sand can resist high stress

Most reliable for transmitting pulling force to the well screen

Both B & C

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

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

24

36

48

72

The chlorine solution shall stand in the well for a period of minimum _____hours or more

5

10

24

15

When removing wells screens of 16 inch diameter or larger a _______ is used at the lower end of the pulling pipe instead rather than sacking

Fork

Spear

Steel disk

End pipe