Nate Industry Competency Oil Furnaces Exam Questions With 100% Correct And Verified Answers Graded A+ 2025

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Nate Industry Competency Oil Furnaces Exam Questions With 100% Correct And Verified Answers Graded A+ 2025

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2024/2025

Institution OIL BURNERS

Course OIL BURNERS

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Nate Industry Competency Oil Furnaces Exam Questions With 100% Correct And Verified Answers Graded A+ 2025

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Nate Industry Competency Oil
Furnaces Exam Questions With 100%
Correct And Verified Answers Graded
A+ 2025
Oniainewioilifurnaceiinstallation,itheioilipumpipressureiisifo
unditoibei50iPSI.iwhichiofitheifollowingiactionsishouldibeitak
en?

a.iIncreaseitheipumpipressure.
b.iAddiainewifuelifilter.
c.iReduceitheipumpipressure.
d.iNoiactionineeded.i-iCORRECTiANSWERS-A

Afteriinstallationiandi20imin.iofirunitimeiandioilifurnaceiisifo
unditoihaveiCO2iifi8%.iwhichiofitheifollowingicouldicauseithei
lowiCO2ireading?

a.iOilipumpipressureiofi100ipsi.
b.iMisalignedicadicell.
c.iExcessiprimaryiair.
d.iDirtyicombustioniairiblower.i-iCORRECTiANSWERS-C

Afteriachievingisteady-
stateiefficiencyionianioilifurnace,iwhichiofitheifollowingiareit
heiindicationsiofigoodicombustion?

ia.i0%iCO2iandi#0ismoke.
ib.i8%iCO2iandi#5itoi#6ismoke.

ic.i10itoi12%iCO2iandi#0itoi#1ismoke.

id.i21%iCO2iandi#0ismoke.i-iCORRECTiANSWERS-C

Onistartupiofianioiliunit,itheitechniciansismokeitestishowsith
eiunititoihavei#8ismoke.iwhichiofitheifollowingiisitheicorrecti
actionithatishouldibeitaken?

a.iIncreaseiprimaryiair.

vendarsol

, b.iInstalliailargerisizeinozzle.
c.iDecreaseitheiover-the-fireidraft.
d.iInstalliaiwideiangleinozzle.i-iCORRECTiANSWERS-A

Duringiaimaintenanceiinspection,iifiaiheavyicoatingiofisootii
sipresentionitheicadicelliinitheicontrolisystemiofianioiliprimar
yiburner,iafteriresettingitheiprimaryicontrolitheitechnicianii
simostilikelyitoidiscoverithatithe:

a.iBurneriwillistartiandiruninormaliforiaishortitime,itheniwilli
lockiout.
b.iLineivoltageicircuitibreakeriwillitrip.
c.iPrimaryicontroliisidefective.
d.iBurneriwillinotistart.i-iCORRECTiANSWERS-A

Iniregarditoiairesidentialioiliheatingifurnace,itemp,iriseithou
ghitheifurnaceiisicalculatedibyitheiformula:

a.iTemperatureiofitheiindoorisupplyiairiminusitemperatureio
fitheireturniair.
b.iTemperatureiofitheioutsideiairiminusitemperatureiofiinsid
eiair.
c.iIndooritemperatureiminusioutdooritemperature.
d.iTemperatureiofitheiindoorisupplyiairiplusitemperatureiofit
heiindooriair.i-iCORRECTiANSWERS-A

Oniai"noiheat"iserviceicalliforianioilifiredifurnace,iwhatiisithei
mainisafetyiprecautionithatitheitechnicianimustitakeibeforei
attemptingitoifireitheioilifurnace?

a.iBeisureitheielectricityiisidisconnected.
b.iCheckithatitheisparkielectrodesiareinotigrounded.
c.iCheckitheioilipressure.
d.iCheckitheicombustionichamberiforiliquidioil.i-
iCORRECTiANSWERS-D

Aihighivacuumireadingiinitheioilisupplyilineicaniindicateithat
:

vendarsol

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Uploaded on: June 23, 2025
Number of pages: 7
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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