WASTEWATER COLLECTIONS GRADE 1 QUESTIONS WITH CORRECT ANSWERS 2025

WASTEWATER COLLECTIONS GRADE 1
QUESTIONS WITH CORRECT ANSWERS 2025
WhatWdeviceWisWusedWduringWsewerWexcavationWtoWprotectWworkersWanWconsistWofWportableWrect
angularWboxWopenWat?

A)WTrenchWbox

B)WSolidWsleeting

C)WbucketWbox

D)WFrameWshoringW-WCORRECTWANSWERW-A)WTrenchWbox



WhenWenteringWaWmanual,WventilationWshallWbeWprocured?

A)WOnlyWbeforeWentering

B)WAnytimeWaWmanholeWisWentered

C)WOnlyWafterWleaving

D)WonlyWwhenWexplosiveWatmospheresWareWpresentW-WCORRECTWANSWERW-
B)WAnytimeWaWmanholeWisWentered



WhatWshouldWaWcollectionWsystemWoperatorWknowWinWorderWtoWtroubleshoot?

A)WHowWtoWcorrectWprocessWoperatorWproblems

B)WHowWtoWcorrectWequipmentWoperationalWproblemsW

C)WHowWtoWpreventWprocessWoperationalWproblems

D)WHowWtoWidentifyWproblems,Wcauses,WandWpotentialWsolutionsW-WCORRECTWANSWERW-
D)WHowWtoWidentifyWproblems,Wcauses,WandWpotentialWsolutions



EvidenceWofWaWchlorineWleakWcanWbeWdetectedWby?

A)WcheckingWtheWleakWgauge

B)WAnWexplosimeter

C)WSpringWwaterWonWsuspectedWleaks

,D)WGreenWorWreddishWdepositsWonWmaterialW-WCORRECTWANSWERW-
D)WGreenWorWreddishWdepositsWonWmaterial



AWpumpWthatWoperatesWcontinuouslyWneedsWtoWbeWinspectedWforWcleanlinessWandWleakage?

A)WDaily

B)WWeekly

C)WMonthly

D)WYearlyW-WCORRECTWANSWERW-A)WDaily



InWaWpressureWsensingWcontroller,WforWeveryWfootWwaterWrisesWinWaWwetWwell,WhowWmuchWpsiWairW
willWbeWrequiredWtoWovercomeWtheWwaterWpressure?

A)W0.433WpsiWperWfoot

B)W0.866WpsiWperWfoot

C)W7.480WpsiWperWfoot

D)W8.340WpsiWperWfootW-WCORRECTWANSWERW-A)W0.433WpsiWperWfoot



WhichWofWtheWfollowingWisWrequiredWforWtheWmaintenanceWofWcouplingsWbetweenWtheWdrivingWa
ndWdrivenWelements?

A)WProperWtuning

B)WProperWCurvature

C)WProperWalignmentW

D)WProperWmoistureWdrainingW-WCORRECTWANSWERW-C)WProperWalignment



CheckWvalvesWareWusedWto?

A)WStopWflowWinWbothWdirections

B)WRegulateWvelocityW

C)WPermitWflowWinWonlyWoneWdirection

, D)WPermitWairWtoWescapeWfromWtheWpipeW-WCORRECTWANSWERW-
C)WPermitWflowWinWonlyWoneWdirection



WhatWcommonWerrorWinWmaintenanceWofWbearingsWcauseWheatWproblems?

A)WLubricatingWtheWpumpWwhileWitWisWnotWrunning

B)WOverlubricatingWtheWbearings

C)WLubricatingWonWtheWwrongWday

D)WLubricatingWonWtheWsameWdayWofWtheWweekW-WCORRECTWANSWERW-
B)WOverlubricatingWtheWbearings



HowWisWtheWrateWofWairWfromWtheWventilationWblowerWnormallyWmeasured?

A)WCubicWfeetWperWminuteW

B)WMilligramsWperWliter

C)WFeetWperWminute

D)WGrainsWperWgallonW-WCORRECTWANSWERW-A)WCubicWfeetWperWminute



SoWelectricWmotorsWinWaWfacilityWareWthreeWphaseWpoweredWwithWnoWphaseWprotection-
WifWoneWphaseWwasWinterruptedWtheWmotorWwouldWrun?



A)WFasterWandWcooler

B)WSlowerWandWheatWup

C)WSlowerWandWcooler

D)WFasterWandWheatWupW-WCORRECTWANSWERW-B)WSlowerWandWheatWup



WhatWisWtheWpurposeWofWforcedWdraftWventilationWinWaWliftWstation?

A)WRemoveWdangerousWgases

B)WPreventWodors

C)WKeepWtheWairWpressureWequalized