FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Why might it be important to check the plumbness and alignment of a well once digging is completed:

Determine if a vertical turbine can be installed

Assure the operation of an installed pump

Bowing of casing can occur if misaligned

All fo the above

Air rotary drilling is when air is circulated through the drill pipe, through ports in the drill bit and upward in the _____ space around the drill pipe

Bore

Annular

Ring

Flat

Casing in wells constructed to obtain water from an unconsolidated rock formation (such as gravel, sand, or shells) shall extend at least ______ ft into the top of the water-bearing formation

1

3

5

7

Thermoplastic casing shall not be driven by impact, but may be pushed

True

False

The well head shall be equipped with a screened vent to allow for the pressure changes within the well unless:

A suction lift pump is used

A single-piped jet pump is used

Artesian flow conditions are encountered

All of the above

None of the above