CPO Practice questions and 100%solved answers

1 of 50

Term



In pre coating a vacuum D.E. filter, what is the standard addition rate
per 10 ft. sq. of filter surface area?
(A) 2 to 3 lbs.
(B) 5 lbs.
(C) 1 to 1.5 lbs.
(D) 5 to 10 lbs.



Give this one a try later!



(A) Pool/ Spa and deck (D) 1.25 gallons




(D) Before the pump (C) 1 to 1.5 lbs.


Don't know?




2 of 50

,Term



Cyanuric acid (stabilizer) protects free chlorine (FC) against the
effects of:
(A) Pathogens like Crypto, Giardia, and Shigella
(B) High Total dissolved solids
(C) Ultraviolet rays from the sun
(D) High PH



Give this one a try later!



(B) 4 to 6 exchanges per hour (A) Use approved main drain covers




(C) Ultraviolet rays from the
(A) Use a lock out/ tag out devise
sun


Don't know?

, 3 of 50

Term



In a circulation system, the commonly accepted practice is to have:
(A) 75% of the water return from the main drain
(B) 50%of the water return via the main drain and 50% from the
surface
(C) 10% of the water return via the surface and 90% from the main
drain
(D) 75% of the water return from the surface



Give this one a try later!



(A) Remove all the swimmers from
(D) Diatomaceous earth
the pool




(A) High levels of chloramines in the (D) 75% of the water return
water from the surface


Don't know?

, 4 of 50

Term



Which of the following is NOT considered to be personal protective
equipment?
(A) Liquid impervious gloves
(B) Chemical goggles
(C) Fire extinguisher
(D) Boots



Give this one a try later!




(A) Use a lock out/ tag out devise (C) Fire extinguisher




(B) Cartridge (B) 104 degrees F


Don't know?




5 of 50

Term



What condition mandates an immediate closure of your swimming
pool?
(A) Locker room is not clean
(B) Main drain not visible from the deck
(C) No automatic feeders installed
(D) No underwater lights installed