Boiler License Test Questions with Correct
Answers 100% Pass
NaturalRdraftRisRproducedRby?R-RCORRECTRANSWERR-
differenceRinRtemperatureRoutsideRchimneyRfromRinsideRchimney
IfRaRdraftRfanRisRlocatedRbetweenRtheRboilerRandRchimney,RwhatRtypeRofRdraftRsystemRisRit?R-
RCORRECTRANSWERR-InducedRdraft
boilerRfittingsRareRimportantRfor:R-RCORRECTRANSWERR-safetyRonly
thermostaticRtrapsRremoveRairRandRcoolRcondensate:RtrueRorRfalseR-RCORRECTRANSWERR-True
TheRmainRpurposeRofRtestingRaRsafetyRvalueRisRto:R-RCORRECTRANSWERR-
makeRsureRvalveRoperatesRfreely
whenRtestingRaRsafetyRvalveRbyRhand,RyouRmust:R-RCORRECTRANSWERR-
haveRatRleastR75%RofRpoppingRpressure
IfRaRlicenseRisRexpired,RhowRlongRcanRitRbeRexpiredRbeforeRitRisRnullRandRvoid?R-RCORRECTRANSWERR-
3Ryears
WhatRisRtheRpurposeRofRaRcheckRvalve?R-RCORRECTRANSWERR-
preventRreverseRflow,RallowsRflowRinRoneRdirection
WhatRisRaRsolenoidRvalve?R-RCORRECTRANSWERR-AnRautomaticRgasRshutoffRvalve
WhatR#RoilRneedsRtoRbeRpreheatedRwithRwhatRpieceRofRequipment?R-RCORRECTRANSWERR-
#6RoilRwithRaRheater
, WhatRtypeRofRtestRisRaRhardnessRtest?R-RCORRECTRANSWERR-ARtitrationRtest
WhatRisRtheRmostRimportantRruleRinRoperatingRboilers?R-RCORRECTRANSWERR-
keepRwaterRatRproperRlevel
whatRisRtheRcapacityRofRaRsafetyRvalveRmeasuredRin?R-RCORRECTRANSWERR-
PoundsRofRsteamRperRhouseR(#steam/hr)
WhatRpreventsRaRfurnaceRexplosion?R-RCORRECTRANSWERR-TheRpurgeRcycle
IgnitionRfailureRwouldRcauseRactivationRofRthe:R-RCORRECTRANSWERR-PurgeRCycle
WhatRisRtheRmostRcommonRcauseRofRcastRironRboilerRfailure?R-RCORRECTRANSWERR-Cracking
WhatRisRtheRmostRcommonRcauseRofRproblemsRinRaRhotRwaterRsystem?R-RCORRECTRANSWERR-Air
WhereRwouldRyouRplaceRaRwaterRtemperatureRindicator?R-RCORRECTRANSWERR-
AtRtheRboilerRsupply
ARchiefRengineerRisRnotRneededRinRaRlowRpressureRplant:RtrueRorRfalseR-RCORRECTRANSWERR-True
TheRpositioningRcontrolRcannotRfunctionRwithout?R-RCORRECTRANSWERR-air
whatRfireRtubeRboilerRisRmostRefficientR-RCORRECTRANSWERR-4Rpass
WhatRisRtheRmaximumRsizeRblowdownRline?R-RCORRECTRANSWERR-2R1/2Rinches
Answers 100% Pass
NaturalRdraftRisRproducedRby?R-RCORRECTRANSWERR-
differenceRinRtemperatureRoutsideRchimneyRfromRinsideRchimney
IfRaRdraftRfanRisRlocatedRbetweenRtheRboilerRandRchimney,RwhatRtypeRofRdraftRsystemRisRit?R-
RCORRECTRANSWERR-InducedRdraft
boilerRfittingsRareRimportantRfor:R-RCORRECTRANSWERR-safetyRonly
thermostaticRtrapsRremoveRairRandRcoolRcondensate:RtrueRorRfalseR-RCORRECTRANSWERR-True
TheRmainRpurposeRofRtestingRaRsafetyRvalueRisRto:R-RCORRECTRANSWERR-
makeRsureRvalveRoperatesRfreely
whenRtestingRaRsafetyRvalveRbyRhand,RyouRmust:R-RCORRECTRANSWERR-
haveRatRleastR75%RofRpoppingRpressure
IfRaRlicenseRisRexpired,RhowRlongRcanRitRbeRexpiredRbeforeRitRisRnullRandRvoid?R-RCORRECTRANSWERR-
3Ryears
WhatRisRtheRpurposeRofRaRcheckRvalve?R-RCORRECTRANSWERR-
preventRreverseRflow,RallowsRflowRinRoneRdirection
WhatRisRaRsolenoidRvalve?R-RCORRECTRANSWERR-AnRautomaticRgasRshutoffRvalve
WhatR#RoilRneedsRtoRbeRpreheatedRwithRwhatRpieceRofRequipment?R-RCORRECTRANSWERR-
#6RoilRwithRaRheater
, WhatRtypeRofRtestRisRaRhardnessRtest?R-RCORRECTRANSWERR-ARtitrationRtest
WhatRisRtheRmostRimportantRruleRinRoperatingRboilers?R-RCORRECTRANSWERR-
keepRwaterRatRproperRlevel
whatRisRtheRcapacityRofRaRsafetyRvalveRmeasuredRin?R-RCORRECTRANSWERR-
PoundsRofRsteamRperRhouseR(#steam/hr)
WhatRpreventsRaRfurnaceRexplosion?R-RCORRECTRANSWERR-TheRpurgeRcycle
IgnitionRfailureRwouldRcauseRactivationRofRthe:R-RCORRECTRANSWERR-PurgeRCycle
WhatRisRtheRmostRcommonRcauseRofRcastRironRboilerRfailure?R-RCORRECTRANSWERR-Cracking
WhatRisRtheRmostRcommonRcauseRofRproblemsRinRaRhotRwaterRsystem?R-RCORRECTRANSWERR-Air
WhereRwouldRyouRplaceRaRwaterRtemperatureRindicator?R-RCORRECTRANSWERR-
AtRtheRboilerRsupply
ARchiefRengineerRisRnotRneededRinRaRlowRpressureRplant:RtrueRorRfalseR-RCORRECTRANSWERR-True
TheRpositioningRcontrolRcannotRfunctionRwithout?R-RCORRECTRANSWERR-air
whatRfireRtubeRboilerRisRmostRefficientR-RCORRECTRANSWERR-4Rpass
WhatRisRtheRmaximumRsizeRblowdownRline?R-RCORRECTRANSWERR-2R1/2Rinches