FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

After chlorination, how long should the well be pumped before placing the well back into use:

Chlorine tested at 50ppm in water

Until water changes color

When water changes temperature

No detectable chlorine is found

What method is commonly used to place a well screen:

Drive method

Pull Back Method

Removal method

None of the above

What size well screens are better pulled using a pipe of smaller diameter locked inside the screen by means of a sand joint

2 inches

4 inches

6 inches

Both B & C

What are two differences in drilling into soft formation versus rock?

Pipe or casing must follow the drill bit closely

Casing has to be driven

The drilling effect of the bit is a loosening/mixing action

All of the above

When beginning to use the Air Lift Method to evaluate well yield, the first measurement that should be taken:

Static Water Level

Air Pressure

Drawdown Level

Soil Depth

WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM