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Water Treatment Questions and Answers (Q&A)

Danny R. Glover, Editor
Answered: Feb 21, 2019
The correct answer to this item is letter D. To get the surface area of a circle, one must use the formula r squared multiply by pi. Since the radius is not given, divide the diameter by 2. So,...Read More

3 Answers

313 views
H. Martin, Content Writer
Answered: Oct 09, 2018
The answer to this is B. In order to solve this, you need to divide the gallons with the square feet which means that 2,800,000 that you will divide with 500. The answer that you will get is 5600...Read More

4 Answers

289 views
RagweedFarmer
Answered: Feb 26, 2017
500 pounds
math constant: 1mg/l=1ppm, (1 milligram per liter = 1 part per million)
math constant: water weighs 8.34 pounds per gallon
math constant: 1 pound is 1ppm of 1 million...Read More

2 Answers

284 views
E.Ronald
Answered: Jan 03, 2018
Well water is filtered from harmful bacteria and organisms naturally. Because the rainwater or snow soak down into the ground, it is naturally filtered; however, water that is gathered from lakes...Read More

2 Answers

269 views
RagweedFarmer
Answered: Feb 26, 2017
15,708 cu ft
math constant: area of a circle formula, diameter squared x 0.7854 (0.7854 is 1/4th of pi, 3.1416 / 4=0.7854)
step 1: 50x50x0.7854=1,963.5 square feet at base of clarifierRead More

2 Answers

262 views
RagweedFarmer
Answered: Feb 26, 2017
149,600 gallons
math constant: 1 cubic foot holds 7.48 gallons
20,000 x 7.48 = 149,600...Read More

2 Answers

261 views
Samantha Stewart, Philanthropist
Answered: Feb 28, 2019
The question does not suggest that the shape is irregular and so to calculate the answer in cubic feet, you merely have to multiply the length by the width by the height of the basin. It is...Read More

3 Answers

250 views
H. callum, Content Writer
Answered: May 10, 2019
The flocculation refers to the chemical term about precipitation in a cloud or chemical situation. A basin is similar to the shape of a bowl. If there is a rectangular flocculation basin, then it...Read More

2 Answers

246 views
RagweedFarmer
Answered: Feb 25, 2017
67.554lbs per day
math constant: 1 mg/L= 1 ppm (part per million) 1 gram is 1000th of a liter, 1 milligram is 1000th of a gram 1000x1000 = 1,000,000, so 1mg/L is one millionth of a literRead More

2 Answers

239 views
John Smith
Answered: Apr 02, 2020
Discard scratched or etched sample tubes
Fill the tubes with samples and standards that have been agitated thoroughly, and allow sufficient time for bubbles to escape.
Sample tubes must be...Read More

1 Answer

239 views
RagweedFarmer
Answered: Feb 25, 2017
92mL/min, 92.0297
There are two difficult aspects to this problem, specific gravity, and the percentage of alum in the solution.
Math Constant: Specific gravity of water = 1
Math...Read More

4 Answers

238 views
E. Austin
Answered: Jun 20, 2019
The correct answer to this question is E, 1.56%. To get this answer, we can divide the given values in the word problem. We will divide the 28 thousand gallons of filter water by the 1.8 million...Read More

3 Answers

236 views
RagweedFarmer
Answered: Feb 25, 2017
2.1
mg/l and ppm are the same
1.6 million gallons x 8.34lbs per gallon = 13.344 million pounds, so 13.344 is 1ppm of 1.6 million gallons
28lbs / 13.344 =2.0983213 rounded to...Read More

2 Answers

233 views
John Smith
Answered: Apr 02, 2020
To gather together fine, light particles to form larger particles (floc) to aid the sedimentation and filtration processes

1 Answer

232 views
RagweedFarmer
Answered: Feb 25, 2017
11.25 gallons of 8% polymer
this problem could be a bit confusing because the 150 gallons has less than 1% polymer
Step 1: convert percentages to usable numbers 0.6%=0.006 and 8%=0.08Read More

3 Answers

229 views

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