DC THIRD CLASS STATIONARY BOILER EXAM 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING REAL EXAM QUESTIONS| 100% SOLVED!!

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DC THIRD CLASS STATIONARY BOILER EXAM 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING REAL EXAM QUESTIONS| 100% SOLVED!!

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2025/2026

Institution Class Stationary Steam Engineer

Course Class Stationary Steam Engineer

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DC THIRD CLASS STATIONARY BOILER EXAM 2025 COMPLETE EXAM QUESTIONS AND VERIFIED ANSWERS |RECENTLY TESTING REAL EXAM QUESTIONS| 100% SOLVED!!

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DC THIRD CLASS STATIONARY
BOILER EXAM 2025 COMPLETE EXAM
QUESTIONS AND VERIFIED
ANSWERS |RECENTLY TESTING
REAL EXAM QUESTIONS| 100%
SOLVED!!
Whatmismthemthermalmefficiencympercentagemofmboilermwithmamstackmtemperaturemofm600mFmandmfu
rnacemtemperaturemofm2800mFm?m-mCORRECTmANSWERm78.5

Whatmismthempropermordermofmzeolitemrejuvenationmwatermsoftenerm.m-
mCORRECTmANSWERmBackmWash,mBrine,mRinsem,mandmService

givenmthemthreemphasem480-
voltmmotormhasmamcurrentmdrawmofm42ampsmandmampowermfactormratingmofm90%m-
mCORRECTmANSWERm181

amfour-wiremwye-connectedmsystemmwithmamphase-to-
phasemvoltagemofm208mvoltmhasmamvoltamhasmamphasemtomneutralmvoltagemofm120mvoltsm-
mCORRECTmANSWERm120mvolts

steamm(HighmVelocity)mwhatmkindmofmenergym?m-mCORRECTmANSWERmMechanical

Whichmofmthemfollowingmstatementmismnotmturemconcerningmamsuperheatm?m-
mCORRECTmANSWERmSupermHeaterm(BTU)

Them______mpumpmsuppliesmthemwatermtomthemcondensermtomcondensemthemsteam.m-
mCORRECTmANSWERmCondensate

, Whatmismthemfirstmthingmthatmhappenmformamthree-
elementmregulatormtomchangemthemoutputmofmthemcontroller?m-
mCORRECTmANSWERmCondensatemFlowmIncreases

Themprimarymreasonmformusingmwetmscrubbersmismtom?m-
mCORRECTmANSWERmRemovemfluemgasmparticulates

Whatmismusedmonmthemoutermrimmofmthembladesmormnozzlesmtomstiffenmthemblademagainstmvibrationm
andmconfinemthemsteammtomthem________m?m-mCORRECTmANSWERmShroudmRing

Themrefrigerantminmamcondensermtomusuallymsubmcooledmbetweenm_________mdegreemFmbelowmth
emcondensingmtemperature?m-mCORRECTmANSWERm.7mtom9mdegrees

ifmyoumaremoperationmamboilermwithmamthree-
elementmfeedmwatermregulator,mwhenmismbeingmmeasuredmandmrecordedmbymmechanicallymoperat
edmwaterm?m-mCORRECTmANSWERmSteammFlow,mFeedwatermandmdrummlevel

givenmthermocouplesmhavembothmamhotmjunctionmandmamcoldmjunction.mthemcoldmjunctionmmeasur
edmthem____________mpointm?m-mCORRECTmANSWERmReference

Amwatermheatingmsystemmthatmusesmthemsamempipemformsupplymandmreturnmismcalledmam_________
_msystemm-mCORRECTmANSWERmOnempipe

ammalfunctionminmthemdeaeratemfeedmwatermtankmismindicatedmbym?m-
mCORRECTmANSWERmBoilermrequiringmexcessivemamountmofmoxygenmscavengemchemicals.

whatmusesmthemtheorymofmcentirificalmforcemthatmappliesmtomthemroatingmelementmofmturbinemandm
controlsmthemspeedmofmthemturbine?m-mCORRECTmANSWERmSpeedmGovernor

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Uploaded on: May 17, 2026
Number of pages: 9
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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