Question 1008 of 223 · California Water Treatment Operator Exam
The lowering of the water level around a pumping well, shaped like an inverted cone, is called the
Exactly one answer is correct.
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Correct answer to question 1008
- A: cone of depression
Explanation
The cone of depression develops as water is drawn toward the well. Its size depends on pumping rate, aquifer properties and time pumped.
More questions: Source Water
- 1009Which part of a drilled well prevents the walls of the borehole from collapsing and keeps surface contamination out of the aquifer?
- 1010What is the purpose of the sanitary seal (annular seal) around a well casing?
- 1011Which well component is the slotted or perforated section that allows groundwater to enter while holding back sand?
- 1012Before a new or repaired well is placed in service, it is normally
- 1013Which of the following is a common sign that a well may be pumping air or sand?
- 1014A sudden increase in the drawdown of a well with no change in the pumping rate most likely indicates