Onsite Arithmetic: Cylindrical Tanks

Test your septic math skills – or practice for your next certification exam.
Onsite Arithmetic: Cylindrical Tanks

Here’s your practice problem for the month of September.

I have a cylindrical (round) tank that has a diameter of 4 feet and is 5.5 feet deep below the invert of the outlet. (Hint: remember )

What is the operating volume in gallons? What are the gallons per inch? If the...
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This article is part of a series of practice problems for installers:



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