Correct Answers
whatiunitiisiuseditoimeasureiwateripressurei-iCorrectiAnswer-
Kilopascals
anyispaceiwhereihazardousigasicaniaccumulateiorianioxygenideficientiat
mosphereicanioccuri-iCorrectiAnswer-confinedispace
1ikPairaisesiwateri-iCorrectiAnswer-10.2icm
unitiuseditoimeasureitheitotalidailyiorimonthlyielectricaliusagei-
iCorrectiAnswer-Kilowattihours
4"ipipeicanicarryi________________iofiwateriasiai2"ipipei(assumingisam
eiwaterivelocityiandipressure)i-iCorrectiAnswer-sameivolume
aitreatmentiplantiremovesi97.4%iBODifromiwastewater.iIfiBODienterin
giisi305img/L,iwhatiwillitheiBODiiniwastewateribeileavingi-
iCorrectiAnswer-7.9img/L
exampleioficrossiconnectioni-iCorrectiAnswer-
connectionibetweeniboileriandidomesticiwateriline
, mostilikelyicauseiofinoiseiandivibrationiiniaivalvei-iCorrectiAnswer-
Backflowiiniaipipe
mainireasoniwetiwellsiforipumpsiposeisafetyihazardi-iCorrectiAnswer-
subjectitoicollectionitoxicigases
Howiisiwateripressurizediiniaipositiveidisplacementipumpi-
iCorrectiAnswer-wateriisipushedibyiaiscrew,ipiston,igearioridiaphragm
greaseiuseditoilubricateiplantiequipmentishouldibei-iCorrectiAnswer-
shouldibeitheisameigradeioriexactiequivalentiasirecommendedibyitheieq
uipmentimanufacturer
2500iL/seciisiequalitoiwhatiinim3/seci-iCorrectiAnswer-2.5
Whatiisitheinameigivenitoitheiprocessiuseditoikillipathogeniciorganismsii
niwateritreatmenti-iCorrectiAnswer-Disinfection
OITinotialloweditoidoi-iCorrectiAnswer-
Beitheioperatoriwithioverallioperationaliresponsibilityiofitheisystem
solutionihasiaipHiofi11imostieffectiveiwayitoineutralizei-iCorrectiAnswer-
addianiacid