Hvac Residential Oil Burners Chpt 1-
8 Exam Questions With 100% Correct
And Verified Answers Graded A+
2025
Howidoesiaihotiwateriheatingisystemioperate?i-
iCORRECTiANSWERS-
boileriheatsiupihotiwateriw/
iaiseriesiofipipingiandicirculatesiit
Howidoesiaiwarmiairiheatingisystemioperate?i-
iCORRECTiANSWERS-
Usesiaiburneritoiheatitheiheatiexchangeriandiusesiaiblowerit
oiblowiacrossiheatiexchangeritoitravelitoiairiductiwork
Whatiareithreeitypesiofifossilifuel?i-iCORRECTiANSWERS-
1.ipropanei(LP)
2.icoal
3.ifuelioil
Whatihappensitoifuelioiliwheniitiisistoredioutsideioniaidayiwh
enitheitemp.iisionlyi12idegreesiF?i-iCORRECTiANSWERS-
waxicrystalsiform,igelsiupianditheiviscosityiofitheioiligoesiup
Whatiisitheichemicalicompositioniofifuelioil?i-
iCORRECTiANSWERS-85%icarbon,i15%initrogen,i(ASTMiD-
396)
Whatidoesiimpingementimeaniandiwhyiisiitiaiproblem?i-
iCORRECTiANSWERS-
Ififlamesihitichamberiitiwillicauseisootiandicarbon,iblocksiupi
theiheatiexchangeripassage
Howifariisitheiburneriblastitubeisetibackiiniaicombustionicha
mber?i-iCORRECTiANSWERS-1iquarteriinch
vendarsol
, Identifyitheithreeisystemsithatimustibeibuiltiintoieveryioilibu
rneri-iCORRECTiANSWERS-
1.ifuelideliveryisystemi(oilipump)
2.iairideliveryisystemi(burnerimotori&imotoriwheel)
3.iignition
Whatiisitheipercentageiofioxygeniinitheiairiweibreatheiandiw
hatimakesiupitheirest?i-iCORRECTiANSWERS-
21%ioxygen,i79%initrogen
Whatidoesitotalifreeiairimean?i(TFA)i-iCORRECTiANSWERS-
140isqiinchiperigallonianihouriused
Whatiisiaiventialarm?
iWhyishouldiitibeiusedionieveryioilistorageitankiinstallation?
i-iCORRECTiANSWERS-
Letsitheioilidriveriknowihe'sifillingiupitheitankiandiassuresiiti
isn'tileaking.
Oniaitwoipipeisystemihowifaridoitheisupplyiandireturnilinesin
eeditoibeioffitheibottomiofitheitank?i-iCORRECTiANSWERS-
returnilinei-i6"
supplyilinei-i3"
WhatiisiaiFire-O-Maticivalve?iwhereiisiitiinstalled?i-
iCORRECTiANSWERS-
valveithatiisiheatisensitiveisafetyivalve,iinstallediatitheiburne
riorioilitank
Whatitypeiofibushingiisiusedionitopiofianioilitankiforiaisuctio
niandireturnioililinei-iCORRECTiANSWERS-duplexifitting
Whatimustibeiinstallediinianioilipumpiwheniitiisibeingiusedia
siaitwoipipeisystemi-iCORRECTiANSWERS-bypassiplug
Howicaniyouitelliifithereiisiwateriinsideiofianioilitank?
iwhereidoesitheiwaterigoiinianioilitank?i-
iCORRECTiANSWERS-
sitsionitheibottomiofitheitank,iuseiaistickiw/itheipasteioniit
vendarsol
8 Exam Questions With 100% Correct
And Verified Answers Graded A+
2025
Howidoesiaihotiwateriheatingisystemioperate?i-
iCORRECTiANSWERS-
boileriheatsiupihotiwateriw/
iaiseriesiofipipingiandicirculatesiit
Howidoesiaiwarmiairiheatingisystemioperate?i-
iCORRECTiANSWERS-
Usesiaiburneritoiheatitheiheatiexchangeriandiusesiaiblowerit
oiblowiacrossiheatiexchangeritoitravelitoiairiductiwork
Whatiareithreeitypesiofifossilifuel?i-iCORRECTiANSWERS-
1.ipropanei(LP)
2.icoal
3.ifuelioil
Whatihappensitoifuelioiliwheniitiisistoredioutsideioniaidayiwh
enitheitemp.iisionlyi12idegreesiF?i-iCORRECTiANSWERS-
waxicrystalsiform,igelsiupianditheiviscosityiofitheioiligoesiup
Whatiisitheichemicalicompositioniofifuelioil?i-
iCORRECTiANSWERS-85%icarbon,i15%initrogen,i(ASTMiD-
396)
Whatidoesiimpingementimeaniandiwhyiisiitiaiproblem?i-
iCORRECTiANSWERS-
Ififlamesihitichamberiitiwillicauseisootiandicarbon,iblocksiupi
theiheatiexchangeripassage
Howifariisitheiburneriblastitubeisetibackiiniaicombustionicha
mber?i-iCORRECTiANSWERS-1iquarteriinch
vendarsol
, Identifyitheithreeisystemsithatimustibeibuiltiintoieveryioilibu
rneri-iCORRECTiANSWERS-
1.ifuelideliveryisystemi(oilipump)
2.iairideliveryisystemi(burnerimotori&imotoriwheel)
3.iignition
Whatiisitheipercentageiofioxygeniinitheiairiweibreatheiandiw
hatimakesiupitheirest?i-iCORRECTiANSWERS-
21%ioxygen,i79%initrogen
Whatidoesitotalifreeiairimean?i(TFA)i-iCORRECTiANSWERS-
140isqiinchiperigallonianihouriused
Whatiisiaiventialarm?
iWhyishouldiitibeiusedionieveryioilistorageitankiinstallation?
i-iCORRECTiANSWERS-
Letsitheioilidriveriknowihe'sifillingiupitheitankiandiassuresiiti
isn'tileaking.
Oniaitwoipipeisystemihowifaridoitheisupplyiandireturnilinesin
eeditoibeioffitheibottomiofitheitank?i-iCORRECTiANSWERS-
returnilinei-i6"
supplyilinei-i3"
WhatiisiaiFire-O-Maticivalve?iwhereiisiitiinstalled?i-
iCORRECTiANSWERS-
valveithatiisiheatisensitiveisafetyivalve,iinstallediatitheiburne
riorioilitank
Whatitypeiofibushingiisiusedionitopiofianioilitankiforiaisuctio
niandireturnioililinei-iCORRECTiANSWERS-duplexifitting
Whatimustibeiinstallediinianioilipumpiwheniitiisibeingiusedia
siaitwoipipeisystemi-iCORRECTiANSWERS-bypassiplug
Howicaniyouitelliifithereiisiwateriinsideiofianioilitank?
iwhereidoesitheiwaterigoiinianioilitank?i-
iCORRECTiANSWERS-
sitsionitheibottomiofitheitank,iuseiaistickiw/itheipasteioniit
vendarsol