FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

If the wellhead is also equipped with a threaded hose bibb in addition to the threadless sampling tap, the hose bibb shall be fitted with:

Garden hose

Direct connect

Backflow preventer

None of the above

When might spacing between wells in well point systems be greater than 50ft

Depth and thickness of the aquifer allow well screens 10ft or longer

Large pockets of rocks within aquifer

Piping is too large

None of the above

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

A drive shoe that is attached to the lower end of the string of casing prevents damage to the bottom of the:

Borehole

Casing

Drillbit

None of the above

What method is commonly used to place a well screen:

Drive method

Pull Back Method

Removal method

None of the above