What is the filtration rate in gallons per minute per square foot? - ProProfs Discuss
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What is the filtration rate in gallons per minute per square foot? During a 24-hour period, a water treatment plant filters 1.4 million gallons. The surface area of the filters is 500 square feet.



A. 1.9 GPM/sq ft
B. 2.1 GPM/sq ft
C. 2.3 GPM/sq ft
D. 2.5 GPM/sq ft
E. 2.7 GPM/sq ft

This question is part of CA Water Treatment Plant Operator Quiz Chapter 6
Asked by PaulMJr, Last updated: Mar 27, 2020

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2 Answers

RagweedFarmer

RagweedFarmer

Answered Mar 01, 2017

1.9444444 gallons per minute per foot
math constant: 1440 minutes in one day
step 1: 1,400,000 gallons divided by 1440=972.22222 gallons per minute
step 2: 972.22222 gallons per minute divided by 500 square feet, 972.22222/500=1.9444444 gallons per minute per square foot
 

John Smith

John Smith

Answered Mar 02, 2017

1.9 GPM/sq ft
 

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