Question 6012 of 223 · California Water Treatment Operator Exam
A well has a specific capacity of 12 gpm per foot of drawdown. If the drawdown is 40 ft, what is the well yield?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 6012
- A: 480 gpm
Explanation
Yield = specific capacity x drawdown = 12 x 40 = 480 gpm. Dividing gives 0.3 and adding gives 52.
More questions: Treatment Exam Math
- 6013A pump discharge has a head of 150 ft. What is the pressure at the bottom of that column of water in psi?
- 6014The water level in a tank is 28 ft above a pressure gauge. What pressure should the gauge read?
- 6015How many pounds of dry chemical are in 50 gallons of a 10 percent solution, if the solution weighs 8.34 lb/gal?
- 6016A 0.25 percent solution contains how many mg/L of chemical? (1 percent = 10,000 mg/L)
- 601712 lb of dry chemical is dissolved in 100 lb of water. What is the percent strength of the solution?
- 6018How many gallons of a 1 percent solution can be made from 5 gallons of a 12 percent solution?