CPO Practice Problems
nm nm
1.nmThenmthreenmmostnmcommonlynmusednmfilternmmedianmare:
A)nmSand,nmAlumnm&nmFlocnmB)nmTV,nmRadionm&nmNewspaper
C)nmSand,nmD.nmE.,nm&nmCartridgenmD)nmCalcium,nmIronnm&nmCoppernm-
nmcorrectnmanswer✔ ✔
1.nmThenmthreenmmostnmcommonlynmusednmfilternmmedianmare:
1.nmC)nmSand,nmD.nmE.,nm&nmCartridgenmAlthoughnmmanynmfilternmmedianmalter
nativesnmarenmnownmbeingnmused,nmthesenmarenmbynmfar,nmthenmmostnmcommonl
ynmused.
2.nmCalciumnmHardnessnmshouldnmbenmideallynmmaintainednmbetween:
A)nm0nm-nm100nmppmnmB)nm80nm-nm120nmppm
C)nm1.0nm-nm3.0nmppmnmD)nm200nm-nm400nmppmnm-nmcorrectnmanswer✔ ✔
2.nmD)nm200nm-
nm400nmppmnmisnmthenmidealnmrangenmfornmCalciumnmHardness.nmAn nmacceptabl
enmrangenmvariesnmbetweennm100-
150nmonnmthenmlownmend,nmupnmtonm500nmornmevennm1000+nminnmsomenmcases.
3.nmSpanmfiltrationnmandnmrecirculationnmpumpsnmshouldnmoperate:
A)nm24nmhoursnmcontinuously.nmB)nm12nmhoursnmatnmanmtime.
, C)nmOnlynmwhennminnmuse.nmD)nmInnm30nmminutenmintervals.nm-
nmcorrectnmanswer✔ ✔
3.nmA)nm24nmhoursnmcontinuouslynm.nmThenmNSPF®nmPoolnm&nmSpanmOperat
or™nmHandbooknmandnmmostnmstatenmcodesnmrequirenmthatnmpumpsnmrunnmcont
inuallynmfornmcommercialnmpools.
4.nmIfnmchlorinenmgetsnmonnmyournmskinnmornminnmyournmeyes,nmyounmshould:
A)nmAttemptnmtonmneutralizenmitnmwithnmanothernmchemical.
B)nmFlushnmwithnmcleannmwaternmfornm15nmminutes.
C)nmWashnmitnmoffnmwithnmsoapnmandnmwater.
D)nmJumpnminnmthenmpoolnmandnmstaynmunderwaternmtillnmrescuenmsquadnmarrive
s.nm-nmcorrectnmanswer✔ ✔
4.nmB)nmFlushnmwithnmcleannmwaternmfornm15nmminutesnmIfnmstillnmirritated,nmc
ontinuenmtonmflushnmwithnmcleannmwaternmuntilnmmedicalnmpersonnelnmarrives.
FORMULAS
nm
SurfacenmAreanm(Circle):nmRadiusnmxnmRadiusnmxnm3.14nm(Radiusnm=nmDiamet
ernm/nm2)
SurfacenmAreanm(Rectangle/Square):nmLengthnmxnmWidth
Volumenm(Circle/Rectangle/Square):nmSurfacenmAreanmxnmAveragenmDepthnm
xnm7.5
nm nm
1.nmThenmthreenmmostnmcommonlynmusednmfilternmmedianmare:
A)nmSand,nmAlumnm&nmFlocnmB)nmTV,nmRadionm&nmNewspaper
C)nmSand,nmD.nmE.,nm&nmCartridgenmD)nmCalcium,nmIronnm&nmCoppernm-
nmcorrectnmanswer✔ ✔
1.nmThenmthreenmmostnmcommonlynmusednmfilternmmedianmare:
1.nmC)nmSand,nmD.nmE.,nm&nmCartridgenmAlthoughnmmanynmfilternmmedianmalter
nativesnmarenmnownmbeingnmused,nmthesenmarenmbynmfar,nmthenmmostnmcommonl
ynmused.
2.nmCalciumnmHardnessnmshouldnmbenmideallynmmaintainednmbetween:
A)nm0nm-nm100nmppmnmB)nm80nm-nm120nmppm
C)nm1.0nm-nm3.0nmppmnmD)nm200nm-nm400nmppmnm-nmcorrectnmanswer✔ ✔
2.nmD)nm200nm-
nm400nmppmnmisnmthenmidealnmrangenmfornmCalciumnmHardness.nmAn nmacceptabl
enmrangenmvariesnmbetweennm100-
150nmonnmthenmlownmend,nmupnmtonm500nmornmevennm1000+nminnmsomenmcases.
3.nmSpanmfiltrationnmandnmrecirculationnmpumpsnmshouldnmoperate:
A)nm24nmhoursnmcontinuously.nmB)nm12nmhoursnmatnmanmtime.
, C)nmOnlynmwhennminnmuse.nmD)nmInnm30nmminutenmintervals.nm-
nmcorrectnmanswer✔ ✔
3.nmA)nm24nmhoursnmcontinuouslynm.nmThenmNSPF®nmPoolnm&nmSpanmOperat
or™nmHandbooknmandnmmostnmstatenmcodesnmrequirenmthatnmpumpsnmrunnmcont
inuallynmfornmcommercialnmpools.
4.nmIfnmchlorinenmgetsnmonnmyournmskinnmornminnmyournmeyes,nmyounmshould:
A)nmAttemptnmtonmneutralizenmitnmwithnmanothernmchemical.
B)nmFlushnmwithnmcleannmwaternmfornm15nmminutes.
C)nmWashnmitnmoffnmwithnmsoapnmandnmwater.
D)nmJumpnminnmthenmpoolnmandnmstaynmunderwaternmtillnmrescuenmsquadnmarrive
s.nm-nmcorrectnmanswer✔ ✔
4.nmB)nmFlushnmwithnmcleannmwaternmfornm15nmminutesnmIfnmstillnmirritated,nmc
ontinuenmtonmflushnmwithnmcleannmwaternmuntilnmmedicalnmpersonnelnmarrives.
FORMULAS
nm
SurfacenmAreanm(Circle):nmRadiusnmxnmRadiusnmxnm3.14nm(Radiusnm=nmDiamet
ernm/nm2)
SurfacenmAreanm(Rectangle/Square):nmLengthnmxnmWidth
Volumenm(Circle/Rectangle/Square):nmSurfacenmAreanmxnmAveragenmDepthnm
xnm7.5
