CPO MODULE #5 QUIZ QUESTIONS
WITH CORRECT ANSWERS
The turnover rate refers to: - Answer-The number of hours needed to circulate the
volume of pool water one time
The flow rate refers to: - Answer-The amount of water passing through the circulation
system at a given time.
Your pool volume is 750,000 gallons and you have a flow rate of 2,500 gpm. What is the
turnover rate? - Answer-5 hours
Your pool volume is 550,000 gallons and you have a flow rate of 1,000 gpm. What is the
turnover rate? - Answer-9.2 hours
Your pool volume is 550,000 gallons and you need to have a turnover rate of no more
than 6 hours. What flow rate do you need in order to achieve this? - Answer-1,528 gpm
What is the most important factor that influences pool water circulation? - Answer-Inlet
placement and design
Which component of the circulation system creates the suction and pressure to the
water? - Answer-The impeller
Which of the following are used to regulate the flow of water through the circulation
system? - Answer-Valves
You have a high-rate sand filter that has a filter media rate of 12 gpm/sq. ft. Your flow
rate is 500 gpm. How many sq. ft. or filter surface area is needed? - Answer-42 sq. ft.
You have a 3.5 foot diameter high-rate sand filter. Using 12 gpm/sq. ft., what is the
maximum flow rate that this filter can support? - Answer-115 gpm
Your D.E. filter has 6 grids each measuring 24 inches by 24 inches. Each grid filters
from both sides. What is the filters area in sq.ft.? - Answer-48 sq. ft.
What filter surface areas is needed for D.E. filter if the flow rate is 1,150 gpm? The filter
media rate is 2.0 gpm/sq. ft. - Answer-575 sq. ft.
Which of the following accounts for the greatest amount of energy loss in pool water? -
Answer-Evaporation
WITH CORRECT ANSWERS
The turnover rate refers to: - Answer-The number of hours needed to circulate the
volume of pool water one time
The flow rate refers to: - Answer-The amount of water passing through the circulation
system at a given time.
Your pool volume is 750,000 gallons and you have a flow rate of 2,500 gpm. What is the
turnover rate? - Answer-5 hours
Your pool volume is 550,000 gallons and you have a flow rate of 1,000 gpm. What is the
turnover rate? - Answer-9.2 hours
Your pool volume is 550,000 gallons and you need to have a turnover rate of no more
than 6 hours. What flow rate do you need in order to achieve this? - Answer-1,528 gpm
What is the most important factor that influences pool water circulation? - Answer-Inlet
placement and design
Which component of the circulation system creates the suction and pressure to the
water? - Answer-The impeller
Which of the following are used to regulate the flow of water through the circulation
system? - Answer-Valves
You have a high-rate sand filter that has a filter media rate of 12 gpm/sq. ft. Your flow
rate is 500 gpm. How many sq. ft. or filter surface area is needed? - Answer-42 sq. ft.
You have a 3.5 foot diameter high-rate sand filter. Using 12 gpm/sq. ft., what is the
maximum flow rate that this filter can support? - Answer-115 gpm
Your D.E. filter has 6 grids each measuring 24 inches by 24 inches. Each grid filters
from both sides. What is the filters area in sq.ft.? - Answer-48 sq. ft.
What filter surface areas is needed for D.E. filter if the flow rate is 1,150 gpm? The filter
media rate is 2.0 gpm/sq. ft. - Answer-575 sq. ft.
Which of the following accounts for the greatest amount of energy loss in pool water? -
Answer-Evaporation
