BOILER EXAM STUDY GUIDE 2
cb cb cb cb
Thecbbottomcbblowdowncboncbacbboilercb___.cb-
correctcbanswer✔ ✔ removescbsludgecbandcbsedimentcbfromcbthecbmudcbdrum
cb
Boilercbtubescbarecbsizedcbusingcbthecb___.cb-cbcorrectcbanswer✔ ✔ outsidecbdiameter
Acbboilercbfusiblecbplugcbiscbbrasscborcbbronzecbwithcbacbcorecbofcb___.cb-cbcorrectcbanswer✔
✔ tin
Spallingcbincbacbboilercbreferscbtocb___.cb-cbcorrectcbanswer✔ ✔
hairlinecbcrackscbincbthecbrefractory
Boilercbhorsepowercbiscbthecbevaporationcbofcb___cblbcbofcbwater/hrcbfromcbandcbatcbacbfeed
watercbtemperaturecbofcb212°F.cb-cbcorrectcbanswer✔ ✔ 34.5
AcbsiphoncbinstalledcbbetweencbthecbboilercbandcbthecbpressurecbgaugecbprotectscbthecbBou
rdoncbtubecbfrom___.cb-cbcorrectcbanswer✔ ✔ steamcbtemperature
ThecbpHcbofcbthecbboilercbwatercbshouldcbbecb___.cb-cbcorrectcbanswer✔ ✔ 10.5
Thecbboilercbsuperheatercbraisescbthecbtemperaturecbofcbthecb___.cb-cbcorrectcbanswer✔
✔ steamcbleavingcbthecbboiler
Ancbeconomizercbiscbusedcbtocbpreheatcb___.cb-cbcorrectcbanswer✔ ✔ feedwater
Firescbcausedcbbycbspontaneouscbcombustioncbwouldcbprobablycbstartcbincbthecb___.cb-
correctcbanswer✔ ✔ oilycbwastecbrags
cb
,Acbhighcbsuctioncbreadingcboncbthecbfuelcboilcbpressurecbgaugecbindicatescb___.cb-
correctcbanswer✔ ✔ dirtycbstrainers
cb
Thecb___cbiscbacbsecondarycbmeanscbofcbdeterminingcbboilercbwatercblevel.cb-
correctcbanswer✔ ✔ trycbcock
cb
A(n)cb___cbiscbusedcbtocbmeasurecbfurnacecbtemperature.cb-cbcorrectcbanswer✔ ✔
pyrometer
Thecbrangecbofcbacbboilercbpressurecbgaugecbmustcbnotcbbecblesscbthancb___cbtimescbthecbsa
fetycbvalvecbsetting.cb-cbcorrectcbanswer✔ ✔ 1cb½
Boilercbfeedwatercbiscbchemicallycbtreatedcbtocb___.cb-cbcorrectcbanswer✔ ✔
preventcbformationcbofcbscale
Pressurecbgaugescbarecbcalibratedcbwithcba(n)cb___.cb-cbcorrectcbanswer✔ ✔
deadweightcbtester
Incbacbfiretubecbboiler,cbsootcbsettlescboncbthecb___.cb-cbcorrectcbanswer✔ ✔
insidecbtubecbsurface
Carboncbdioxidecbincbthecbfluecbgascbiscbacbsigncbofcb___cbcombustion.cb-cbcorrectcbanswer
✔ ✔ complete
Carboncbmonoxidecbincbthecbfluecbgascbiscbacbsigncbofcb___cbcombustion.cb-
correctcbanswer✔ ✔ incomplete
cb
___cbvalvescbshouldcbbecbusedcbforcbthrottlingcbservice.cb-cbcorrectcbanswer✔ ✔ Globe
,Acbgradualcbincreasecbincbchimneycbtemperaturecbindicatescb___.cb-cbcorrectcbanswer✔
✔ acbdirtycbheatingcbsurface
Thecbpressurecbappliedcboncbthecbboilercbduringcbacbhydrostaticcbtestcbiscb___cbtimescbthecb
MAWP.cb-cbcorrectcbanswer✔ ✔ 1cb½
Boilercbsafetycbvalvecbcapacitycbmustcbbecbsuchcbthatcbthecbsteamcbpressurecbcancbnevercbg
ocbhighercbthancb___%cbabovecbthecbMAWP.cb-cbcorrectcbanswer✔ ✔ 6
Ascbfuelcboilcbiscbheated,cbitscbviscositycbiscb___.cb-cbcorrectcbanswer✔ ✔ decreased
No.cb___cbfuelcboilcbhascbthecbhighestcbBtucbcontentcbpercbgallon.cb-cbcorrectcbanswer✔ ✔
6
T/FcbAllcbsteamcbboilerscbmustcbhavecbonecborcbmorecbsafetycbvalves.cb-cbcorrectcbanswer✔
✔ T
T/FcbAncbopencbfeedwatercbheatercbventscbgasescbtocbthecbatmosphere.cb-
correctcbanswer✔ ✔ T
cb
T/FcbAcbhydrostaticcbtestcbwillcbdeterminecbwhethercbacbsteamcbboilercbhascbsufficientcbrelie
vingcbcapacity.cb-cbcorrectcbanswer✔ ✔ F
T/FcbWhencbboilerscbarecbsetcbincbbattery,cbthecbmaincbsteamcbstopcbvalves,cbbottomcbblowd
owncbvalves,cbandcbfeedwatercbvalvescbshouldcbbecblockedcbclosedcbbeforecbanyonecbenter
scbthecbboilercbdrums.cb-cbcorrectcbanswer✔ ✔ T
T/FcbOpencbandcbclosedcbfeedwatercbheaterscbarecbnevercbusedcbatcbthecbsamecbtime.cb-
correctcbanswer✔ ✔ F
cb
, T/FcbIncbancbopencbfeedwatercbheater,cbthecbwatercbandcbsteamcbcomecbintocbdirectcbcontac
t;cbincbacbclosedcbfeedwatercbheater,cbthecbwatercbandcbsteamcbarecbseparated.cb-
cb correctcbanswer✔ ✔ T
T/FcbAncbeconomizercbiscbacbfuel-
savingcbdevicecbthatcbreclaimscbheatcbfromcbthecbgasescbofcbcombustion.cb-
cb correctcbanswer✔ ✔ T
T/FcbSootcbaccumulationcboncbthecbtubescbofcbacbwatertubecbboilercbdoescbnotcbaffectcbthecb
efficiencycbofcbthecbboiler.cb-cbcorrectcbanswer✔ ✔ F
T/FcbScalecbprotectscbthecbboilercbheatingcbsurfaces.cb-cbcorrectcbanswer✔ ✔ F
T/FcbBoilercbcorrosioncbcannotcbbecbpreventedcbascblongcbascbwatercbiscbincbcontactcbwithcb
metal.cb-cbcorrectcbanswer✔ ✔ F
T/FcbTocbpreventcbwatercbhammer,cbwatercbshouldcbbecbdrainedcboutcbofcballcbhighcbpressur
ecbsteamcblinescb-cbcorrectcbanswer✔ ✔ T
T/FcbDrycbsaturatedcbsteamcbiscbincbacbgaseouscbstate.cb-cbcorrectcbanswer✔ ✔ T
T/FcbPressurecboncbwatercbdoescbnotcbchangecbthecbboilingcbpointcbofcbthecbwater.cb-
cb correctcbanswer✔ ✔ F
T/FcbThecbstopcbvalvecbincbacbboilercbfeedwatercblinecbshouldcbhavecbthecbpumpcbdischargec
bpressurecboncbthecbtopcbofcbthecbvalvecbdisccbwhencbthecbvalvecbiscbclosed.cb-
cb correctcbanswer✔ ✔ F
T/FcbAccordingcbtocbthecbASMEcbCode,cbweightedcblevercbsafetycbvalvescbcannotcbbecbuse
dcboncbboilers.cb-cbcorrectcbanswer✔ ✔ T
cb cb cb cb
Thecbbottomcbblowdowncboncbacbboilercb___.cb-
correctcbanswer✔ ✔ removescbsludgecbandcbsedimentcbfromcbthecbmudcbdrum
cb
Boilercbtubescbarecbsizedcbusingcbthecb___.cb-cbcorrectcbanswer✔ ✔ outsidecbdiameter
Acbboilercbfusiblecbplugcbiscbbrasscborcbbronzecbwithcbacbcorecbofcb___.cb-cbcorrectcbanswer✔
✔ tin
Spallingcbincbacbboilercbreferscbtocb___.cb-cbcorrectcbanswer✔ ✔
hairlinecbcrackscbincbthecbrefractory
Boilercbhorsepowercbiscbthecbevaporationcbofcb___cblbcbofcbwater/hrcbfromcbandcbatcbacbfeed
watercbtemperaturecbofcb212°F.cb-cbcorrectcbanswer✔ ✔ 34.5
AcbsiphoncbinstalledcbbetweencbthecbboilercbandcbthecbpressurecbgaugecbprotectscbthecbBou
rdoncbtubecbfrom___.cb-cbcorrectcbanswer✔ ✔ steamcbtemperature
ThecbpHcbofcbthecbboilercbwatercbshouldcbbecb___.cb-cbcorrectcbanswer✔ ✔ 10.5
Thecbboilercbsuperheatercbraisescbthecbtemperaturecbofcbthecb___.cb-cbcorrectcbanswer✔
✔ steamcbleavingcbthecbboiler
Ancbeconomizercbiscbusedcbtocbpreheatcb___.cb-cbcorrectcbanswer✔ ✔ feedwater
Firescbcausedcbbycbspontaneouscbcombustioncbwouldcbprobablycbstartcbincbthecb___.cb-
correctcbanswer✔ ✔ oilycbwastecbrags
cb
,Acbhighcbsuctioncbreadingcboncbthecbfuelcboilcbpressurecbgaugecbindicatescb___.cb-
correctcbanswer✔ ✔ dirtycbstrainers
cb
Thecb___cbiscbacbsecondarycbmeanscbofcbdeterminingcbboilercbwatercblevel.cb-
correctcbanswer✔ ✔ trycbcock
cb
A(n)cb___cbiscbusedcbtocbmeasurecbfurnacecbtemperature.cb-cbcorrectcbanswer✔ ✔
pyrometer
Thecbrangecbofcbacbboilercbpressurecbgaugecbmustcbnotcbbecblesscbthancb___cbtimescbthecbsa
fetycbvalvecbsetting.cb-cbcorrectcbanswer✔ ✔ 1cb½
Boilercbfeedwatercbiscbchemicallycbtreatedcbtocb___.cb-cbcorrectcbanswer✔ ✔
preventcbformationcbofcbscale
Pressurecbgaugescbarecbcalibratedcbwithcba(n)cb___.cb-cbcorrectcbanswer✔ ✔
deadweightcbtester
Incbacbfiretubecbboiler,cbsootcbsettlescboncbthecb___.cb-cbcorrectcbanswer✔ ✔
insidecbtubecbsurface
Carboncbdioxidecbincbthecbfluecbgascbiscbacbsigncbofcb___cbcombustion.cb-cbcorrectcbanswer
✔ ✔ complete
Carboncbmonoxidecbincbthecbfluecbgascbiscbacbsigncbofcb___cbcombustion.cb-
correctcbanswer✔ ✔ incomplete
cb
___cbvalvescbshouldcbbecbusedcbforcbthrottlingcbservice.cb-cbcorrectcbanswer✔ ✔ Globe
,Acbgradualcbincreasecbincbchimneycbtemperaturecbindicatescb___.cb-cbcorrectcbanswer✔
✔ acbdirtycbheatingcbsurface
Thecbpressurecbappliedcboncbthecbboilercbduringcbacbhydrostaticcbtestcbiscb___cbtimescbthecb
MAWP.cb-cbcorrectcbanswer✔ ✔ 1cb½
Boilercbsafetycbvalvecbcapacitycbmustcbbecbsuchcbthatcbthecbsteamcbpressurecbcancbnevercbg
ocbhighercbthancb___%cbabovecbthecbMAWP.cb-cbcorrectcbanswer✔ ✔ 6
Ascbfuelcboilcbiscbheated,cbitscbviscositycbiscb___.cb-cbcorrectcbanswer✔ ✔ decreased
No.cb___cbfuelcboilcbhascbthecbhighestcbBtucbcontentcbpercbgallon.cb-cbcorrectcbanswer✔ ✔
6
T/FcbAllcbsteamcbboilerscbmustcbhavecbonecborcbmorecbsafetycbvalves.cb-cbcorrectcbanswer✔
✔ T
T/FcbAncbopencbfeedwatercbheatercbventscbgasescbtocbthecbatmosphere.cb-
correctcbanswer✔ ✔ T
cb
T/FcbAcbhydrostaticcbtestcbwillcbdeterminecbwhethercbacbsteamcbboilercbhascbsufficientcbrelie
vingcbcapacity.cb-cbcorrectcbanswer✔ ✔ F
T/FcbWhencbboilerscbarecbsetcbincbbattery,cbthecbmaincbsteamcbstopcbvalves,cbbottomcbblowd
owncbvalves,cbandcbfeedwatercbvalvescbshouldcbbecblockedcbclosedcbbeforecbanyonecbenter
scbthecbboilercbdrums.cb-cbcorrectcbanswer✔ ✔ T
T/FcbOpencbandcbclosedcbfeedwatercbheaterscbarecbnevercbusedcbatcbthecbsamecbtime.cb-
correctcbanswer✔ ✔ F
cb
, T/FcbIncbancbopencbfeedwatercbheater,cbthecbwatercbandcbsteamcbcomecbintocbdirectcbcontac
t;cbincbacbclosedcbfeedwatercbheater,cbthecbwatercbandcbsteamcbarecbseparated.cb-
cb correctcbanswer✔ ✔ T
T/FcbAncbeconomizercbiscbacbfuel-
savingcbdevicecbthatcbreclaimscbheatcbfromcbthecbgasescbofcbcombustion.cb-
cb correctcbanswer✔ ✔ T
T/FcbSootcbaccumulationcboncbthecbtubescbofcbacbwatertubecbboilercbdoescbnotcbaffectcbthecb
efficiencycbofcbthecbboiler.cb-cbcorrectcbanswer✔ ✔ F
T/FcbScalecbprotectscbthecbboilercbheatingcbsurfaces.cb-cbcorrectcbanswer✔ ✔ F
T/FcbBoilercbcorrosioncbcannotcbbecbpreventedcbascblongcbascbwatercbiscbincbcontactcbwithcb
metal.cb-cbcorrectcbanswer✔ ✔ F
T/FcbTocbpreventcbwatercbhammer,cbwatercbshouldcbbecbdrainedcboutcbofcballcbhighcbpressur
ecbsteamcblinescb-cbcorrectcbanswer✔ ✔ T
T/FcbDrycbsaturatedcbsteamcbiscbincbacbgaseouscbstate.cb-cbcorrectcbanswer✔ ✔ T
T/FcbPressurecboncbwatercbdoescbnotcbchangecbthecbboilingcbpointcbofcbthecbwater.cb-
cb correctcbanswer✔ ✔ F
T/FcbThecbstopcbvalvecbincbacbboilercbfeedwatercblinecbshouldcbhavecbthecbpumpcbdischargec
bpressurecboncbthecbtopcbofcbthecbvalvecbdisccbwhencbthecbvalvecbiscbclosed.cb-
cb correctcbanswer✔ ✔ F
T/FcbAccordingcbtocbthecbASMEcbCode,cbweightedcblevercbsafetycbvalvescbcannotcbbecbuse
dcboncbboilers.cb-cbcorrectcbanswer✔ ✔ T
