Question 7001 of 229 · California Water Distribution Operator Exam
How many gallons does a 500-foot section of 12-inch water main hold?
Exactly one answer is correct.
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Correct answer to question 7001
- A: 2,936 gallons
Explanation
Volume = 0.785 x 1.0 ft x 1.0 ft x 500 ft x 7.48 gal/cu ft = 2,936 gallons. Forgetting the 7.48 conversion leaves cubic feet, and using 12 instead of 1 foot for the diameter is a unit error.
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