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3RD CLASS STATIONARY STEAM ENGINEER LICENSE PREP LATEST 2026/2027 ACTUAL EXAM QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

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3RD CLASS STATIONARY STEAM ENGINEER LICENSE PREP LATEST 2026/2027 ACTUAL EXAM QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

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3RD CLASS STATIONARY STEAM
ENGINEER LICENSE PREP LATEST
2026/2027 ACTUAL EXAM QUESTIONS
WITH CORRECT ANSWERS 100%
VERIFIED GRADED A+
1. _________maremnecessarymformcompletemcombustionm-
mCORRECTmANSWERmtime,mtemperature,mmixture,mandmatomization




2. ifmthemsteammpressuremgaugemindicatesm200mPSIG,mthemabsolutempressuremis______m-
mCORRECTmANSWERm214.7




3. amboilermismoperatingmatm400mPSI,mandmthemsafetymvalvemopensmatm410mPSImandmclosesmatm3
98mPSI.mThemblowdownmis______psim-mCORRECTmANSWERm12



4. anmoilmcoolermismcommonlymusedmwithma(n)m________mwhenmoperatingminmconjunctionmwi
thmamturbo-generatorm-mCORRECTmANSWERmsteammturbine



5. amboilermismproducingm40,000lbmofmsteam/hrmatmampressuremofm100mPSImandmamsteammtemp
eraturemofm500mdegreesmFahrenheit.mThemsteammproducedmism_______msteamm-
mCORRECTmANSWERmsuperheated




6. themeconomizermonmamboilermismusedmtom_______m-
mCORRECTmANSWERmaddmheatmtomthemfeedmwater




7. blowersmaremnormallymusedmwith________mboilersm-mCORRECTmANSWERmwatermtube



8. overheatingmofmtubesmonmamboilermcanmbemcausedmby________m-
mCORRECTmANSWERmscalemonmtubes

,9. carbonmdioxideminmamcondensatemreturnmsystemmcauses_________m-
mCORRECTmANSWERmchanneling




10. am________mpumpmismampositivemdisplacementmpumpm-mCORRECTmANSWERmreciprocating



11. amboilermgeneratingm6000mlbmofmsteam/hrmproducesm_______btu/hrm-
mCORRECTmANSWERm6,000,000




12. ambottommblowdownmismperformedmonmamboilermtom_____m-
mCORRECTmANSWERmdischargemsludgemandmsediment




13. watermcolumnsmaremconnectedmtomthemboilermwithmamminimummofm_______"mpipem-
mCORRECTmANSWERm1




14. themminimummsizemofmamwatermcolumnmblowdownmvalvemis_______".m-
mCORRECTmANSWERm3/4




15. themmaximummsizembottommblowdownmvalvemonmamboilermis_________".m-
mCORRECTmANSWERm2m1/2




16. am________mallowsmcondensatemtompassmthrough,mbutmstopsmSteam.m-
mCORRECTmANSWERmamsteammtrap




17. whenmtakingmovermamshift,mthemfirstmthingmtomdomismcheckmthe________m-
mCORRECTmANSWERmwatermlevelminmeachmboiler

, 18. accordingmtomthemasmemcode,mamhigh-
pressuremboilermhavingmmoremthanm500msquaremfeetmofmheatingmsurfacemshallmhave_____
___m-mCORRECTmANSWERmtwomormmoremsafetymvalves



19. themprobablemcausemofmanmincreaseminmtemperaturemofmgasesmofmcombustionmatmthemboile
rmOutletmis____m-mCORRECTmANSWERmdirtymheatingmservices



20. boilersminmbatterymequippedmwith________mmustmhavemtwommainmsteammstopmvalvesmand
mamfree-flowingmdrainmbetweenmthemm-mCORRECTmANSWERmmanholemopenings




21. inmordermtombemsuremthemgaugemglassmismindicatingmanmaccuratemwatermlevelmreading,mthem
stationarymengineermshould______m-mCORRECTmANSWERmblowdownmthemgaugemglass



22. amcontinuousmblowdownmlinemismlocated___m-
mCORRECTmANSWERminmthemSteammandmwatermdrummwellmbelowmthemnowl




23. amtemperaturemreadingmofm80mdegreesmCelsiusmismequalmto_________°fm-
mCORRECTmANSWERm176




24. amchimneymtemperaturemofm250mdegreesmFahrenheitmabovemsteammtemperaturemindicate
s_______m-mCORRECTmANSWERmpoormefficiency



25. ammanometermismredmin________m-mCORRECTmANSWERminchesmofmwater



26. themboilingmpointmofmwatermwill____mwithmanmincreaseminmpressurem-
mCORRECTmANSWERmbemraised




27. ifmamlathermismnotmobtainedmwhenmperformingmamsoapmhardnessmtest,mthemwatermsamplemis
_______m-mCORRECTmANSWERmhard

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