EXAM|WITH ACCURATE QUESTIONS AND VERIFIED
ANSWERS|GRADED A
What is NOT one of the AFO's primary responsibilities? Ans✓✓✓
Teaching Lessons
What should you do every day as a part of your AFO safety duty
program? Ans✓✓✓ Facility Inspection
How many gallons of water is in one cubic ft? Ans✓✓✓ approximately
7.5
How do you calculate how many gallons are in a pool? Ans✓✓✓ 1.
calculate the volume (LxW)xDavg
2. multiple by 7.5 gallons
Law of Dilution Ans✓✓✓ During a turnover less than half of the water
molecules pass through the filter
What kind of pools need a higher turnover? Ans✓✓✓ Special pools
When do gutters NOT work? Ans✓✓✓ when flooded
What do surge pits need? Ans✓✓✓ room to contain surge flow
, What do modulating float valves regulate? Ans✓✓✓ the amount of
water contributed by the bottom outlet by slowly restricting the bottom
drain valve as the water level in the surge pit rises
What are the two types of pumps? Ans✓✓✓ Self-Priming and Flooded
Suction Centrifugal
4 inches = Ans✓✓✓ 400 gpm
What does eliminating dead spots mean? Ans✓✓✓ Heated and treated
water is equally distributed in the pool
Horizontal High Rate Sand Filter Ans✓✓✓ increases surface area
When do you backwash? Ans✓✓✓ When the pressure differential
indicates it is needed
When do you body feeding (DE) ? Ans✓✓✓ during the filter cycle
What is oxidation? Ans✓✓✓ a chemical process that destroys organic
compounds in the pool water