WATER DISTRIBUTION MATH QUESTIONS
WITH CORRECT ANSWERS 2025
WhatRisRtheRsurfaceRareaRinRsquareRfeetRofRtheRtopRofRaRcylindricalRtankRthatRhasRaRdiameterRofR75ft.?R-
RCORRECTRANSWERR-4,415sq.ft.
FindRtheRsurfaceRareaRofRtheRopeningRofRanR8RinchRpipeRinRsquareRfeet.R-RCORRECTRANSWERR-34sq.ft.
FindRtheRvolumeRofRaRpipeRinRcubicRfeetRthatRisR18"inchesRinRdiameterRandR225'ft.Rlong.R-
RCORRECTRANSWERR-397Rcu.ft.
YouRhaveRtoRpaintRaRcylindricalRwaterRstorageRtankRthatRisR150ft.RinRdiameterRandR20ft.Rtall.RYouRmustRputRt
woRcoatsRofRpaintRandRincludeRtheRtopRofRtheRtank.RIfReachRgallonRofRpaintRwillRcoverR250sq.ft.,RhowRmanyR
gallonsRwillRyouRneedRtoRpaintRtheRtank?R-RCORRECTRANSWERR-217gallons
HowRmanyRcubicRfeetRofRmaterialRwereRremovedRfromRaRtrenchRthatRwasR3'ft.Rwide,R54"inchRdeepRandR750
ft.Rlong?R-RCORRECTRANSWERR-10,125cu.ft.
HowRmanyRcubicRyardsRofRbackfillRmaterialRareRneededRtoRbackfillRaRtrenchR36RinchesRwide,R6RfeetRdeep,Ra
ndR300RfeetRlongRafterRaR14-inchRmainRisRlaldRinRplace?R-RCORRECTRANSWERR-188
WhatRisRtheRcapacityRofRaRtankRinRcubicRfeetRandRgallons,RifRtheRdiameterRisR150'ft.RandRtheRheightRisR32'ft.?
R-RCORRECTRANSWERR-565,200cu.ft.R/R4,227,696Rgallons
HowRmanyRgallonsRareRinRaRbasinRthatRisR20ft.Rtall,R45ft.RwideRandR150ft.Rlong?R-RCORRECTRANSWERR-
1,009,800Rgallons
HowRmanyRAcreRFeetRareRinR3,450,700Rgallons?R-RCORRECTRANSWERR-10.59RAF
HowRmanyRAcreRFeetRareRinR552,900RcubicRfeetRofRwater?R-RCORRECTRANSWERR-12.7RAF
HowRlongRwouldRitRtakeRinRhoursRtoRfillRaRsedimentationRbasinRmeasuringR50ftRwideR250ftRinRlengthRandR15
ftRdeepRwithRaRpumpRthatRproducesR2500RgallonsRperRminute?R-RCORRECTRANSWERR-9Rhrs,R21Rmins.
WITH CORRECT ANSWERS 2025
WhatRisRtheRsurfaceRareaRinRsquareRfeetRofRtheRtopRofRaRcylindricalRtankRthatRhasRaRdiameterRofR75ft.?R-
RCORRECTRANSWERR-4,415sq.ft.
FindRtheRsurfaceRareaRofRtheRopeningRofRanR8RinchRpipeRinRsquareRfeet.R-RCORRECTRANSWERR-34sq.ft.
FindRtheRvolumeRofRaRpipeRinRcubicRfeetRthatRisR18"inchesRinRdiameterRandR225'ft.Rlong.R-
RCORRECTRANSWERR-397Rcu.ft.
YouRhaveRtoRpaintRaRcylindricalRwaterRstorageRtankRthatRisR150ft.RinRdiameterRandR20ft.Rtall.RYouRmustRputRt
woRcoatsRofRpaintRandRincludeRtheRtopRofRtheRtank.RIfReachRgallonRofRpaintRwillRcoverR250sq.ft.,RhowRmanyR
gallonsRwillRyouRneedRtoRpaintRtheRtank?R-RCORRECTRANSWERR-217gallons
HowRmanyRcubicRfeetRofRmaterialRwereRremovedRfromRaRtrenchRthatRwasR3'ft.Rwide,R54"inchRdeepRandR750
ft.Rlong?R-RCORRECTRANSWERR-10,125cu.ft.
HowRmanyRcubicRyardsRofRbackfillRmaterialRareRneededRtoRbackfillRaRtrenchR36RinchesRwide,R6RfeetRdeep,Ra
ndR300RfeetRlongRafterRaR14-inchRmainRisRlaldRinRplace?R-RCORRECTRANSWERR-188
WhatRisRtheRcapacityRofRaRtankRinRcubicRfeetRandRgallons,RifRtheRdiameterRisR150'ft.RandRtheRheightRisR32'ft.?
R-RCORRECTRANSWERR-565,200cu.ft.R/R4,227,696Rgallons
HowRmanyRgallonsRareRinRaRbasinRthatRisR20ft.Rtall,R45ft.RwideRandR150ft.Rlong?R-RCORRECTRANSWERR-
1,009,800Rgallons
HowRmanyRAcreRFeetRareRinR3,450,700Rgallons?R-RCORRECTRANSWERR-10.59RAF
HowRmanyRAcreRFeetRareRinR552,900RcubicRfeetRofRwater?R-RCORRECTRANSWERR-12.7RAF
HowRlongRwouldRitRtakeRinRhoursRtoRfillRaRsedimentationRbasinRmeasuringR50ftRwideR250ftRinRlengthRandR15
ftRdeepRwithRaRpumpRthatRproducesR2500RgallonsRperRminute?R-RCORRECTRANSWERR-9Rhrs,R21Rmins.
