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
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