Question 1030 of 223 · California Water Treatment Operator Exam
A rectangular basin is 40 ft long, 20 ft wide and has water 10 ft deep. How many gallons does it hold?
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 1030
- A: 59,840 gallons
Explanation
Volume = 40 x 20 x 10 = 8,000 cu ft, and 8,000 x 7.48 gal/cu ft = 59,840 gal. Forgetting the conversion leaves the answer in cubic feet.
More questions: Source Water
- 1031Which device is used to measure the flow in an open channel?
- 1032A magnetic flow meter measures flow by
- 1033Which type of flow meter creates a pressure difference across a narrowing in the pipe to calculate flow?
- 1034Water storage tanks should be disinfected after cleaning or repair mainly to
- 1035Which of the following is a recognized potential security risk at a water treatment facility?
- 1036What is pretreatment of a raw surface water supply meant to accomplish?