BLUE SEAL STEAM EXAM
QUESTIONS WITH CORRECT
ANSWERS GRADED A+ FOR 2025-
2026 ASSURED EXCEL!!
Iffyourfcoldfwaterfpumpfdischargefpressurefgaugefindicatesf346fpsi,fwhatfwouldfbefthefheadfinffeetf-
ffCORRECTfANSWERS800fpsi
Iffyourfplantfisfburningf#6foilfwithfafhighfsulfurfcontent,fwhatfimpactfdofsulfurfoxidesfhavefwhenfcombustion
ftemperaturesfareflowf-ffCORRECTfANSWERSTherefwillfbefanfincreasefinfcorrosion
Whyfmustfalternatorsfrunfatfconstantfspeedf-ffCORRECTfANSWERSInforderftofmaintainffrequency
Whatfdoesf"h"frepresentf-ffCORRECTfANSWERSThefsumfofflatentfheatfandfsensiblefheat
Whenfafsmallfsamplefoffafsubstancefisfputfintofafcalorimeterfandfthefheatfoffcombustionfisfdetermined,fwh
atfisfbeingfmeasuredf-ffCORRECTfANSWERSHigherfHeatingfValuef(HHV)
Whatfisfthefmainffunctionfoffafcondenserfonfafsteamfturbinef-
ffCORRECTfANSWERSReducesfbackfpressurefonfthefturbine
Whichfofftheffollowingfwouldfbefconsideredfaftruefstatementfaboutfrotaryfpumpsf-
ffCORRECTfANSWERSTheyfhaveflowfNPSHfrequirements
Afcommonfdeviceffoundfinfthefsteamfinletfoffafcondenserfisf-
ffCORRECTfANSWERSAnfatmosphericfrelieffvalve
Howfmuchfpressurefinfpsifinfonefinchfoffmercuryf-ffCORRECTfANSWERS.491
Howfmuchfpressurefinfpsifinf24finchesfoffmercuryf-ffCORRECTfANSWERS.24fxf.491f=f11.78fpsi
, Formulafforfcalculatingfspeedfoffafturbinef-ffCORRECTfANSWERSRPMf=fFfxf120f/fP
Whatfisfthefidealforftheoreticalfcyclefoffafgasfturbinef-ffCORRECTfANSWERSBraytonfcycle
Potentialfenergyfoffsteamfisftransferredfintofwhatfformfoffenergyfinfafturbinef-
ffCORRECTfANSWERSMechanical
Afvacuumfgaugefreadsf27.5fin,fandfthefbarometerfreadingfisf30.5finfHg.fWhatfisfthefabsolutefpressurefinfpou
ndsfperfsquarefinchf-ffCORRECTfANSWERS1.5fpsi
Whatfisfthefpsifoff24finchesfHgf-ffCORRECTfANSWERS11.78fpsi
Iffyourfwaterfflowftransmitterfindicatesf60,000f#f/fhr,fwhatfisfthefflowfratefinfgallonsfperfminutef-
ffCORRECTfANSWERS120fgpm
Tofpreventfairffromfleakingfintofaffeedwaterfpumpfandfcausingflossfoffprime,fwhatfdevicefisfusedf-
ffCORRECTfANSWERSLanternfring
Whatfisftheffirstfthingfyoufshouldfdofbeforef"blowingftubes"fonfafboilerfwithfafsootfblowerf-
ffCORRECTfANSWERSDrainfthefsootfblowerfoffcondensate
Afboilerfproducesf400fpsifsteamfatf500fF.fNormalfsaturatedfsteamfconditionsfaref444.6fF.fWhatfisfthefdegre
efoffsuperheatf-ffCORRECTfANSWERS55.4fdegrees
Thefoverspeedftripfonfafturbinefshouldfbeftestedf-ffCORRECTfANSWERSEveryftimefyoufstartfitfup
Afsteamfturbinefoperatingfatf3600fRPMftripsfatf-ffCORRECTfANSWERS3960fRPM
Anfoperatorfmustfinsurefthatfproperfpipingfisfbeingfused.fStandardfpipeffittingsf(Schedulef40)farefsatisfacto
ryfforfwhatfpressurefandftemperaturesf-ffCORRECTfANSWERS125fpsi,foverf450fF
QUESTIONS WITH CORRECT
ANSWERS GRADED A+ FOR 2025-
2026 ASSURED EXCEL!!
Iffyourfcoldfwaterfpumpfdischargefpressurefgaugefindicatesf346fpsi,fwhatfwouldfbefthefheadfinffeetf-
ffCORRECTfANSWERS800fpsi
Iffyourfplantfisfburningf#6foilfwithfafhighfsulfurfcontent,fwhatfimpactfdofsulfurfoxidesfhavefwhenfcombustion
ftemperaturesfareflowf-ffCORRECTfANSWERSTherefwillfbefanfincreasefinfcorrosion
Whyfmustfalternatorsfrunfatfconstantfspeedf-ffCORRECTfANSWERSInforderftofmaintainffrequency
Whatfdoesf"h"frepresentf-ffCORRECTfANSWERSThefsumfofflatentfheatfandfsensiblefheat
Whenfafsmallfsamplefoffafsubstancefisfputfintofafcalorimeterfandfthefheatfoffcombustionfisfdetermined,fwh
atfisfbeingfmeasuredf-ffCORRECTfANSWERSHigherfHeatingfValuef(HHV)
Whatfisfthefmainffunctionfoffafcondenserfonfafsteamfturbinef-
ffCORRECTfANSWERSReducesfbackfpressurefonfthefturbine
Whichfofftheffollowingfwouldfbefconsideredfaftruefstatementfaboutfrotaryfpumpsf-
ffCORRECTfANSWERSTheyfhaveflowfNPSHfrequirements
Afcommonfdeviceffoundfinfthefsteamfinletfoffafcondenserfisf-
ffCORRECTfANSWERSAnfatmosphericfrelieffvalve
Howfmuchfpressurefinfpsifinfonefinchfoffmercuryf-ffCORRECTfANSWERS.491
Howfmuchfpressurefinfpsifinf24finchesfoffmercuryf-ffCORRECTfANSWERS.24fxf.491f=f11.78fpsi
, Formulafforfcalculatingfspeedfoffafturbinef-ffCORRECTfANSWERSRPMf=fFfxf120f/fP
Whatfisfthefidealforftheoreticalfcyclefoffafgasfturbinef-ffCORRECTfANSWERSBraytonfcycle
Potentialfenergyfoffsteamfisftransferredfintofwhatfformfoffenergyfinfafturbinef-
ffCORRECTfANSWERSMechanical
Afvacuumfgaugefreadsf27.5fin,fandfthefbarometerfreadingfisf30.5finfHg.fWhatfisfthefabsolutefpressurefinfpou
ndsfperfsquarefinchf-ffCORRECTfANSWERS1.5fpsi
Whatfisfthefpsifoff24finchesfHgf-ffCORRECTfANSWERS11.78fpsi
Iffyourfwaterfflowftransmitterfindicatesf60,000f#f/fhr,fwhatfisfthefflowfratefinfgallonsfperfminutef-
ffCORRECTfANSWERS120fgpm
Tofpreventfairffromfleakingfintofaffeedwaterfpumpfandfcausingflossfoffprime,fwhatfdevicefisfusedf-
ffCORRECTfANSWERSLanternfring
Whatfisftheffirstfthingfyoufshouldfdofbeforef"blowingftubes"fonfafboilerfwithfafsootfblowerf-
ffCORRECTfANSWERSDrainfthefsootfblowerfoffcondensate
Afboilerfproducesf400fpsifsteamfatf500fF.fNormalfsaturatedfsteamfconditionsfaref444.6fF.fWhatfisfthefdegre
efoffsuperheatf-ffCORRECTfANSWERS55.4fdegrees
Thefoverspeedftripfonfafturbinefshouldfbeftestedf-ffCORRECTfANSWERSEveryftimefyoufstartfitfup
Afsteamfturbinefoperatingfatf3600fRPMftripsfatf-ffCORRECTfANSWERS3960fRPM
Anfoperatorfmustfinsurefthatfproperfpipingfisfbeingfused.fStandardfpipeffittingsf(Schedulef40)farefsatisfacto
ryfforfwhatfpressurefandftemperaturesf-ffCORRECTfANSWERS125fpsi,foverf450fF
