POOL OPERATOR CORRECT TEST PAPER
QUESTIONS AND ANSWERS SURE A+
✔✔filter run - ✔✔time between backwashing
✔✔Backwashing and why we do it - ✔✔The process of reversing the flow of water back
through the filter media to remove the entrapped solids.
decrease in flow rate
excessive differential on the influent and effluent gauges
✔✔problems in a sand filter from improper backwashing, doing it too often or having an
old filter - ✔✔mudballs, channeling, calcification, crevicing: sand bed shifts to one side
of the tank leacing a vacant area within the filter tank through which some of the pool
water can pass without being properly filtered.
✔✔circular pool capacity - ✔✔diameter x diameter x average depth x 5.9
✔✔children under what age should not use the spa - ✔✔13
✔✔how long can the blower in the hot tub last - ✔✔no longer than 15 min
✔✔ What are the 11 reasons for closure of the pool? - ✔✔1) A lifeguard is not on the
pool deck of a general use pool, or a spa guard is not on the premises of a spa
2) The main drain is not clearly visible form the nearest lifeguard chair
3) The free chlorine, total bromine, pH, or cyanuric acid readings of the pool water are
other than specified under section II, B 1
4) The recirculating equipment is not working properly for more than one hour
QUESTIONS AND ANSWERS SURE A+
✔✔filter run - ✔✔time between backwashing
✔✔Backwashing and why we do it - ✔✔The process of reversing the flow of water back
through the filter media to remove the entrapped solids.
decrease in flow rate
excessive differential on the influent and effluent gauges
✔✔problems in a sand filter from improper backwashing, doing it too often or having an
old filter - ✔✔mudballs, channeling, calcification, crevicing: sand bed shifts to one side
of the tank leacing a vacant area within the filter tank through which some of the pool
water can pass without being properly filtered.
✔✔circular pool capacity - ✔✔diameter x diameter x average depth x 5.9
✔✔children under what age should not use the spa - ✔✔13
✔✔how long can the blower in the hot tub last - ✔✔no longer than 15 min
✔✔ What are the 11 reasons for closure of the pool? - ✔✔1) A lifeguard is not on the
pool deck of a general use pool, or a spa guard is not on the premises of a spa
2) The main drain is not clearly visible form the nearest lifeguard chair
3) The free chlorine, total bromine, pH, or cyanuric acid readings of the pool water are
other than specified under section II, B 1
4) The recirculating equipment is not working properly for more than one hour
