CPO Practice Problems QUESTIONS &
ANSWERS 2024 ( A+ GRADED 100% VERIFIED)
1. vThe vthree vmost vcommonly vused vfilter vmedia vare:
A) vSand, vAlum v& vFloc vB) vTV, vRadio v& vNewspaper
C) vSand, vD. vE., v& vCartridge vD) vCalcium, vIron v& vCopper v- vCorrect v vAnswer v- v1. vThe vthree vmost
vcommonly vused vfilter vmedia vare:
1. vC) vSand, vD. vE., v& vCartridge vAlthough vmany vfilter vmedia valternatives vare vnow vbeing vused,
vthese vare vby vfar, vthe vmost vcommonly vused.
2. vCalcium vHardness vshould vbe videally vmaintained vbetween:
A) v0 v- v100 vppm vB) v80 v- v120 vppm
C) v1.0 v- v3.0 vppm vD) v200 v- v400 vppm v- vCorrect v vAnswer v- v2. vD) v200 v- v400 vppm vis vthe videal
vrange vfor vCalcium vHardness. vAn vacceptable vrange vvaries vbetween v100-150 von vthe vlow vend, vup
vto v500 vor veven v1000+ vin vsome vcases.
3. vSpa vfiltration vand vrecirculation vpumps vshould voperate:
A) v24 vhours vcontinuously. vB) v12 vhours vat va vtime.
C) vOnly vwhen vin vuse. vD) vIn v30 vminute vintervals. v- vCorrect v vAnswer v- v3. vA) v24 vhours
vcontinuously v. vThe vNSPF® vPool v& vSpa vOperator™ vHandbook vand vmost vstate vcodes vrequire vthat
vpumps vrun vcontinually vfor vcommercial vpools.
4. vIf vchlorine vgets von vyour vskin vor vin vyour veyes, vyou vshould:
A) vAttempt vto vneutralize vit vwith vanother vchemical.
B) vFlush vwith vclean vwater vfor v15 vminutes.
C) vWash vit voff vwith vsoap vand vwater.
D) vJump vin vthe vpool vand vstay vunderwater vtill vrescue vsquad varrives. v- vCorrect v vAnswer v- v4. vB)
vFlush vwith vclean vwater vfor v15 vminutes vIf vstill virritated, vcontinue vto vflush vwith vclean vwater vuntil
vmedical vpersonnel varrives.
, FORMULAS
v
Surface vArea v(Circle): vRadius vx vRadius vx v3.14 v(Radius v= vDiameter v/ v2)
Surface vArea v(Rectangle/Square): vLength vx vWidth
Volume v(Circle/Rectangle/Square): vSurface vArea vx vAverage vDepth vx v7.5
Average vDepth: v(Shallow vDepth v+ vDeep vDepth) v÷ v2
(Note: vConstant vDepth v= vAverage vDepth) v- vCorrect v vAnswer v- v
A vrectangular vpool vis v50 vfeet vlong vby v20 vfeet vwide. vThe vshallow vend vis v3 vfeet vdeep vand vthe
vdeep vend vis v7 vfeet vdeep. vFind vthe vsurface varea vand vthe vvolume. v- vCorrect v vAnswer v- vSurface
vArea v= vLength vx vWidth
Surface vArea v= v50 vfeet vx v20 vfeet
Surface vArea v= v1,000 vsquare vfeet
Volume v= vSurface vArea vx vAverage vDepth vx v7.5
Volume v= v1,000 vx vAverage vDepth vx v7.5
Average vDepth v= v(Shallow vDepth v+ vDeep vDepth) v÷ v2
Average vDepth v= v(3 v+ v7) v÷ v2
Average vDepth v= v10 v÷ v2
Average vDepth v= v5
Volume v= v1,000 vx v5 vx v7.5
Volume v= v37,500 vGallons
ANSWERS 2024 ( A+ GRADED 100% VERIFIED)
1. vThe vthree vmost vcommonly vused vfilter vmedia vare:
A) vSand, vAlum v& vFloc vB) vTV, vRadio v& vNewspaper
C) vSand, vD. vE., v& vCartridge vD) vCalcium, vIron v& vCopper v- vCorrect v vAnswer v- v1. vThe vthree vmost
vcommonly vused vfilter vmedia vare:
1. vC) vSand, vD. vE., v& vCartridge vAlthough vmany vfilter vmedia valternatives vare vnow vbeing vused,
vthese vare vby vfar, vthe vmost vcommonly vused.
2. vCalcium vHardness vshould vbe videally vmaintained vbetween:
A) v0 v- v100 vppm vB) v80 v- v120 vppm
C) v1.0 v- v3.0 vppm vD) v200 v- v400 vppm v- vCorrect v vAnswer v- v2. vD) v200 v- v400 vppm vis vthe videal
vrange vfor vCalcium vHardness. vAn vacceptable vrange vvaries vbetween v100-150 von vthe vlow vend, vup
vto v500 vor veven v1000+ vin vsome vcases.
3. vSpa vfiltration vand vrecirculation vpumps vshould voperate:
A) v24 vhours vcontinuously. vB) v12 vhours vat va vtime.
C) vOnly vwhen vin vuse. vD) vIn v30 vminute vintervals. v- vCorrect v vAnswer v- v3. vA) v24 vhours
vcontinuously v. vThe vNSPF® vPool v& vSpa vOperator™ vHandbook vand vmost vstate vcodes vrequire vthat
vpumps vrun vcontinually vfor vcommercial vpools.
4. vIf vchlorine vgets von vyour vskin vor vin vyour veyes, vyou vshould:
A) vAttempt vto vneutralize vit vwith vanother vchemical.
B) vFlush vwith vclean vwater vfor v15 vminutes.
C) vWash vit voff vwith vsoap vand vwater.
D) vJump vin vthe vpool vand vstay vunderwater vtill vrescue vsquad varrives. v- vCorrect v vAnswer v- v4. vB)
vFlush vwith vclean vwater vfor v15 vminutes vIf vstill virritated, vcontinue vto vflush vwith vclean vwater vuntil
vmedical vpersonnel varrives.
, FORMULAS
v
Surface vArea v(Circle): vRadius vx vRadius vx v3.14 v(Radius v= vDiameter v/ v2)
Surface vArea v(Rectangle/Square): vLength vx vWidth
Volume v(Circle/Rectangle/Square): vSurface vArea vx vAverage vDepth vx v7.5
Average vDepth: v(Shallow vDepth v+ vDeep vDepth) v÷ v2
(Note: vConstant vDepth v= vAverage vDepth) v- vCorrect v vAnswer v- v
A vrectangular vpool vis v50 vfeet vlong vby v20 vfeet vwide. vThe vshallow vend vis v3 vfeet vdeep vand vthe
vdeep vend vis v7 vfeet vdeep. vFind vthe vsurface varea vand vthe vvolume. v- vCorrect v vAnswer v- vSurface
vArea v= vLength vx vWidth
Surface vArea v= v50 vfeet vx v20 vfeet
Surface vArea v= v1,000 vsquare vfeet
Volume v= vSurface vArea vx vAverage vDepth vx v7.5
Volume v= v1,000 vx vAverage vDepth vx v7.5
Average vDepth v= v(Shallow vDepth v+ vDeep vDepth) v÷ v2
Average vDepth v= v(3 v+ v7) v÷ v2
Average vDepth v= v10 v÷ v2
Average vDepth v= v5
Volume v= v1,000 vx v5 vx v7.5
Volume v= v37,500 vGallons
