CLASS 5 BOILER TEST EXAM QUESTIONS AND ANSWERS.

CLASS 5 BOILER TEST EXAM
QUESTIONS AND ANSWERS
branchOconnectionsOtoOpipingOsystemsO"madeOinOtheOfield"OandOareOofOweldedOassemblyObeingOof
OpipeOtoOpipeOrequireOwhatOconsiderations...O-OCORRECTOANSWERS-


isOtheOangleOofOinsertionOwhatOtheOcodeOallows

O doesOtheOconnectionOrequireOreinforcement

O didOtheOengineerOapproveOit



B31.1O-OCORRECTOANSWERS-PowerOPipingO-OHighOPressureOSteamO-OoverO15Opsi



B31.9O-OCORRECTOANSWERS-BuildingOServicesO-OLowOPressureOSteamO-OunderO15Opsi



B31.5O-OCORRECTOANSWERS-RefrigerationOCode



B31.3O-OCORRECTOANSWERS-NormalOFluidOSystemsO-OCatagoryOMO-Oco-
axOsleeves/permitOrequired



DCENO-OCORRECTOANSWERS-DirectOCurrentOElectrodeONegativeO(TIG)



DCEPO-OCORRECTOANSWERS-DirectOCurrentOElectrodeOPositiveO(Stick)



FormulaOforOcircumferenceO-OCORRECTOANSWERS-piOxOdiameter



AOfrictionOlighterOisOaOstrikerO-OCORRECTOANSWERS-True



WhatOtypeOofOfittingOisOinstalledOatOeveryOrightOangle?O-OCORRECTOANSWERS-Crosses

,TheOincludedOangleOofOaOcenterOpunchOis:O-OCORRECTOANSWERS-60Odegrees



exampleOofO"PlaceOofOPublicOAssembly"O-OCORRECTOANSWERS-CollegeOcampus



WhatOisOtheOminimumOsizeOpipeOallowedOonOaOcontrolOloopOofOaOsteamOboiler?O-
OCORRECTOANSWERS-1"




InspectionOofOCatagoryOMOpipingOisOnotOrequiredObyOaOstateOinspector,OifOtheOauthorizedOownerOr
epresentativeOperformsOtheOinspection...O-OCORRECTOANSWERS-True



TheOChiefOInspectorOmayOenterOallObuildingsOatOreasonableOhoursOforOinspections,Oexcept:O-
OCORRECTOANSWERS-PrivateOResidences




WhenOthereOareOtwoOblowOdownOvalvesOtheyOwillObeOwhichOtype?O-OCORRECTOANSWERS-
OneOquickOopeningOandOoneOslowOopening



WhichOofOtheOfollowingOisOanOexampleOofOvesselsOexemptOfromOannualOinspection?O-
OCORRECTOANSWERS-vesselsOinOstorageO-OthoseOofOaOfederalOagencyO-


OHydronicOinOaOprivateOresidence




TheOplaceOonOanOisometricOdrawingOwhichOshowsOtheOcomponentsObeingOusedOisOcalled:O-
OCORRECTOANSWERS-BillOofOMaterial




BrazingOisOcoveredOunderOASMEOsectionO-OCORRECTOANSWERS-IXO(nine)



WhenOcuttingOpipeOwithOheatOnumber,OtransferOtheOnumber....O-OCORRECTOANSWERS-
BEFOREOcutting

,TheOletterO"F",OinOA53FOpipeOstandsOfor:O-OCORRECTOANSWERS-FurnaceOWelded



RepairOpermitsOareOissuedOtoOthe:O-OCORRECTOANSWERS-LicensedOcontractorOdoingOtheOwork



AddingOaOpipeObranchObyOmeansOofOweldingOisOallowedOif...O-OCORRECTOANSWERS-
TheOneedOforOreinforcementsOhasObeenOcalculated



UnderOB31.5,OpipeOlargerOthanOwhatOsizeOisOcovered?O-OCORRECTOANSWERS-2"



WhenOweldingOstainlessOsteel,OwhatOareOtheOpotentiallyOdangerousOoxidesOthatOareOproduced?O-
OCORRECTOANSWERS-NickelOandOChromium




WhatOextinguishingOagentOisOusedOinOClassOAOfires?O-OCORRECTOANSWERS-Water



MedicalOsterilizedOsmallerOthanO______cu.Oft.OareOexempt?O-OCORRECTOANSWERS-1O1/2Ocu.Oft.



ThereOisOaO$1,000OfineOforOanyoneOworking,OwithoutOaOlicense,OonOpressureOpiping.O-
OCORRECTOANSWERS-True




PoolOboilersOareOexemptOif......O-OCORRECTOANSWERS-
theOburnerOisOwiredOinOseriesOwithOtheOpump



WhatOclassOofOfireOisOburningOmagnesium?O-OCORRECTOANSWERS-ClassOD



RefrigerantOorOa/cOunitsOcontainingO_____Ocu.Oft.OorOlessOofOnon-corrosiveOgasesOareOexempt.O-
OCORRECTOANSWERS-3

, PressureOreliefOdevicesOmustObeOapprovedObyOwhatOagency?O-OCORRECTOANSWERS-
ASMEO(AmericanOSocietyOofOMechanicalOEngineers)



WhenOhydroOtestingONBEPO(Non-
BoilerOExternalOPiping),OitOmustObeOoffOfromOtheOboilerOandOtestedOatOhowOmanyOtimesOtheOopera
tingOpressure?O-OCORRECTOANSWERS-1O1/2



WhenOsecuringOwireOrope,OtheOclipsOareOapplied:O-OCORRECTOANSWERS-SaddleOonOliveOend



**AOstopOvalveOCANNOTObeOinstalledObtwnOtheOboilerOandOtheOreliefOvalve....O-
OCORRECTOANSWERS-TRUE




WhenOtheOweldOsymbolOisOonOtheOtopOofOtheOweldingOsymbolO(arrow),OitOmeansO...O-
OCORRECTOANSWERS-WeldOonOtheOotherOsider




WhatOtypeOofOstuffingOboxOisOusedOonOhighOpressure/temp.Ovalve?O-OCORRECTOANSWERS-
LanternOtypeOrigging



IfOyouOholdOaOClassOIVOorOClassOVOlicense,OyouOareOallowedOtoOsuperviseO....O-OCORRECTOANSWERS-
classOVI



UnderOB31.5,OA1OandOB1OrefrigerantOisOclassifiedObyOitsOtoxicityOandOflammability.O-
OCORRECTOANSWERS-True




HowOmanyOautomaticOlow-
waterOfuelOcutoffOdevicesOshallOthereObeOonOeachOautomaticallyOfiredOhigh-
pressureOsteamOboilers?O-OCORRECTOANSWERS-Two



WhichOcodeOsectionOcoversOPowerOPiping?O-OCORRECTOANSWERS-B31.1