FLYINGHIGHER
CPOPracticeEXAM Whichtypeoffilterrequirestheleastamountofwatertoclean?(A)Diatomaceous (B)Rapidratesand (C)Highratesand (D)Cartridge-ANS(D)Cartridge
Cyanuricacid(stabilizer)protectsfreechlorine(FC)againsttheeffectsof:
(A)PathogenslikeCrypto,Giardia,andShigella (B)HighTotaldissolvedsolids (C)Ultravioletraysfromthesun (D)HighPH-ANS(C)Ultravioletraysfromthesun Anerosionchemicalfeederiswhattypeoffeeder?(A)Peristalticpump (B)Pistonpump (C)Drychemicalfeeder (D)Gassystem-ANS(C)Drychemicalfeeder 1 / 3
FLYINGHIGHER
OSHArequiresaquaticfacilitiestomaintain:
(A)SafetyDataSheetsonlyforsanitizingchemicals (B)Lifeguardcertifications (C)Airtemperaturerecordings (D)SDS'sforallchemicalsusedatthefacility-ANS(D)SDS'sforall chemicalsusedatthefacility Whenmechanicalcoolingisusedonanindoortherapeuticpoolfacility,the
recommendedASHRAEfreshairexchangerateshouldbe:
(A)2to4exchangesperhour (B)4to6exchangesperhour (C)6to8exchangesperhour (D)Asmanyaspossible-ANS(B)4to6exchangesperhour Whatconditionmandatesanimmediateclosureofyourswimmingpool?(A)Lockerroomisnotclean (B)Maindrainnotvisiblefromthedeck (C)Noautomaticfeedersinstalled (D)Nounderwaterlightsinstalled-ANS(B)Maindrainnotvisiblefrom thedeck 2 / 3
FLYINGHIGHER
ThereagentcommonlyusedtotestPHis:
(A)DPD
(B)SodiumThiosulfate (C)Coolomatic (D)Phenolred-ANS(D)Phenolred Whenshouldyoubackwashhighratesandfiltersthathaveasingle pressuregauge?(A)Afteran8to10psiincreaseabovestartingpressure (B)Every2days (C)Onceperweek (D)Whentheinfluentandeffluentgaugesare10to20psiapart-ANS(A) Afteran8to10psiincreaseabovestartingpressure
OxidationReductionPotentialtesting(ORP)ismeasuredin:
(A)Partspermillion(ppm) (B)Millivolts(mV) (C)Gallonsperminute(gpm) (D)Freeavailablechlorine(FAC)-ANS(B)Millivolts(mV)
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