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Minnesota State Special Engineer Boiler License Exam Study Guide with complete Solutions |, Exams of Engineering

Minnesota State Special Engineer Boiler License Exam Study Guide with complete Solutions | Latest 2025/2026 Update.

Typology: Exams

2024/2025

Available from 06/11/2025

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Minnesotai,-Statei,-Speciali,-Engineeri,-Boileri,-
Licensei,-Exami,-Studyi,-Guidei,-withi,-completei,-
Solutionsi,-|i,-Latesti,-2025/2026i,-Update.
Minimumi,-sizei,-ofi,-pipei,-diameteri,-thati,-mayi,-bei,-usedi,-toi,-attachi,-ai,-
steami,-gaugei,-toi,-ai,-steami,-boileri,-i,- i,-1/4i,-inch
Low-pressurei,-boileri,-i,- i,-Steami,-boilersi,-ati,-ori,-belowi,-15i,-psi,i,-Liquidi,-
boilersi,-operatingi,-ati,-ori,-belowi,-160i,-psii,-ANDi,-250i,-degreesi,-Fahrenheit
High-pressurei,-boileri,-i,- i,-Steami,-boileri,->i,-15psi,i,-liquidi,-boilersi,-
operatingi,->i,-160i,-psii,-ORi,->i,-250i,-degreesi,-Fahrenheit
_________i,-safetyi,-valvei,-requiredi,-oni,-ai,-steami,-boileri,-i,- i,-Springi,-
loaded
Howi,-manyi,-safetyi,-valvesi,-minimumi,-arei,-neededi,-wheni,-thei,-heatingi,-
surfacei,-ofi,-ai,-high-pressurei,-boileri,-exceedsi,-500i,-squarei,-feeti,-i,- i,-2
Maximumi,-sizei,-ofi,-safetyi,-valvei,-oni,-ai,-low-pressurei,-boileri,-isi,-i,- i,-4i,-
1/2i,-inch
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Minnesotai,-Statei,-Speciali,-Engineeri,-Boileri,-

Licensei,-Exami,-Studyi,-Guidei,-withi,-completei,-

Solutionsi,-|i,-Latesti,-2025/2026i,-Update.

Minimumi,-sizei,-ofi,-pipei,-diameteri,-thati,-mayi,-bei,-usedi,-toi,-attachi,-ai,-

steami,-gaugei,-toi,-ai,-steami,-boileri,-i,- i,-1/4i,-inch

Low-pressurei,-boileri,-i,- i,-Steami,-boilersi,-ati,-ori,-belowi,- 15 i,-psi,i,-Liquidi,-

boilersi,-operatingi,-ati,-ori,-belowi,- 160 i,-psii,-ANDi,- 250 i,-degreesi,-Fahrenheit

High-pressurei,-boileri,-i,- i,-Steami,-boileri,->i,-15psi,i,-liquidi,-boilersi,-

operatingi,->i,- 160 i,-psii,-ORi,->i,- 250 i,-degreesi,-Fahrenheit

_________i,-safetyi,-valvei,-requiredi,-oni,-ai,-steami,-boileri,-i,- i,-Springi,-

loaded

Howi,-manyi,-safetyi,-valvesi,-minimumi,-arei,-neededi,-wheni,-thei,-heatingi,-

surfacei,-ofi,-ai,-high-pressurei,-boileri,-exceedsi,- 500 i,-squarei,-feeti,-i,- i,- 2

Maximumi,-sizei,-ofi,-safetyi,-valvei,-oni,-ai,-low-pressurei,-boileri,-isi,-i,- i,- 4 i,-

1/2i,-inch

Minimumi,-safetyi,-valvei,-sizei,-oni,-ai,-regulari,-boileri,-(highi,-ori,-lowi,-

pressure)i,-i,- i,-3/4i,-inch

Minimumi,-safetyi,-valvei,-sizei,-oni,-ai,-MINITUREi,-boileri,-i,- i,-1/2i,-inch

Safetyi,-valvesi,-oni,-steami,-boilersi,-shouldi,-bei,-manuallyi,-testedi,-i,- i,-

oncei,-ai,-month

Safetyi,-valvesi,-oni,-ai,-low-pressurei,-boileri,-shouldi,-bei,-manuallyi,-testedi,-i,-

i,-quarterly

Wheni,- 2 i,-ori,-morei,-steami,-valvesi,-arei,-locatedi,-oni,-ai,-steami,-headeri,-line,i,-

therei,-musti,-bei,-ai,-______i,-locatedi,-betweeni,-thei,- 2 i,-valvesi,-i,- i,-draini,-

valve

ASMEi,-i,- i,-Americani,-Societyi,-ofi,-Mechanicali,-Engineers

NBICi,-i,- i,-Nationali,-Boardi,-Inspectioni,-Code

Ai,-high-pressurei,-steami,-boileri,-isi,-requiredi,-toi,-havei,-______i,-valvesi,-oni,-

thei,-maini,-steami,-line.i,-i,- i,- 2

Oni,-ai,-slow-openingi,-blow-downi,-valve,i,-iti,-isi,-requiredi,-toi,-havei,-

________i,-turnsi,-fromi,-fullyi,-closedi,-toi,-fullyi,-openi,-i,- i,- 5 i,- 360 i,-degree

Temperaturei,-ofi,-wateri,-leavingi,-thei,-blow-downi,-tanki,-andi,-enteringi,-ai,-

sanitaryi,-seweri,-systemi,-musti,-noti,-exceedi,-_______i,-degreesi,-

Fahrenheiti,-i,- i,- 150

Blow-offi,-valvesi,-fori,-pressuresi,-ini,-excessi,-ofi,- 200 i,-psii,-workingi,-

pressurei,-musti,-bei,-madei,-ofi,-i,- i,-steel

Highi,-pressurei,-boilersi,-requirei,-_______i,-meansi,-ofi,-feedingi,-wateri,-intoi,-

thei,-boileri,-i,- i,- 2

Whati,-typei,-ofi,-planti,-cani,-Speciali,-licensei,-worki,-at?i,-i,- i,-anyi,-typei,-ofi,-

plant

Whati,-typei,-ofi,-planti,-cani,-ai,-Gradei,-Ci,-licensei,-worki,-at?i,-i,- i,-Low-

pressurei,-steami,-ori,-hoti,-water

Whati,-typei,-ofi,-planti,-cani,-ai,-Gradei,-Bi,-licensei,-worki,-at?i,-i,- i,-High-

pressurei,-ori,-low-pressurei,-steami,-ori,-hoti,-water

Whati,-typei,-ofi,-planti,-cani,-ai,-Gradei,-Ai,-licensei,-worki,-at?i,-i,- i,-Anyi,-planti,-

withi,-steami,-engines/turbines

Speciali,-horsepoweri,-capabilitiesi,-i,- i,-Takei,-chargei,-personi,--i,- 50 i,-HP

Shifti,-engineeri,--i,-100HP

2ndi,-Classi,-horsepoweri,-capabilitiesi,-i,- i,-Takei,-chargei,-personi,--i,- 100 i,-

HP

Shifti,-engineeri,--i,- 500 i,-HP

1sti,-Classi,-horsepoweri,-capabilitiesi,-i,- i,-Takei,-chargei,-personi,--i,- 500 i,-HP

Shifti,-engineeri,--i,-Unlimitedi,-HP

Chiefi,-classi,-horsepoweri,-capabilitiesi,-i,- i,-Takei,-chargei,-personi,--i,-

unlimitedi,-HP

Shifti,-engineeri,--i,-unlimitedi,-HP

Typesi,-ofi,-boilersi,-i,- i,-Casti,-ironi,-section,i,-firei,-tube,i,-wateri,-tube

Whati,-arei,-boileri,-stays?i,-i,- i,-Solidi,-metali,-rodsi,-thati,-preventi,-bulgingi,-

ini,-areasi,-ofi,-thei,-boileri,-NOTi,-supportedi,-byi,-tubes

Atmospherici,-pressurei,-i,- i,-14.7i,-psia

Pyrometersi,-i,- i,--Measurei,-veryi,-highi,-temperature

  • locatedi,-ini,-thei,-breeching

BTUi,-i,- i,--Britishi,-Thermali,-Unit

  • amounti,-ofi,-energyi,-neededi,-toi,-increasei,-temperaturei,-ofi,-onei,-poundi,-

ofi,-wateri,-byi,-onei,-degreei,-F

Sensiblei,-heati,-i,- i,-Causesi,-temperaturei,-toi,-increase

Latenti,-heati,-i,- i,-Causesi,-ai,-physicali,-changei,-ini,-stagei,-ori,-phasei,-withi,-

noi,-changei,-ini,-temperature

Heatingi,-surfacei,-i,- i,-boileri,-metali,-thati,-hasi,-heati,-ofi,-combustioni,-oni,-

1 i,-sidei,-andi,-water/steami,-oni,-thei,-other

Requirementsi,-toi,-starti,-ai,-firei,-i,- i,-Fuel,i,-oxygen,i,-andi,-ignition

Drafti,-i,- i,--differencei,-ini,-pressurei,-betweeni,- 2 i,-pointsi,-thati,-causesi,-airi,-

andi,-otheri,-gasesi,-toi,-flow

  • drafti,-controli,-regulatesi,-amounti,-ofi,-airi,-enteringi,-thei,-furnace
  • drafti,-isi,-measuredi,-ini,-inchesi,-ofi,-water

Whati,-isi,-thei,-besti,-indicationi,-ofi,-boileri,-efficiency?i,-i,- i,-thei,-

temperaturei,-ofi,-thei,-exiti,-gases

Carboni,-monoxidei,-i,- i,-improperlyi,-burnedi,-fuel

Carboni,-dioxidei,-i,- i,-properlyi,-burnedi,-fuel

NOWLi,-i,- i,-Normali,-Operatingi,-Wateri,-Level

LWCOi,-i,- i,--Lowi,-Wateri,-cutoff

  • testedi,-monthly
  • mosti,-importanti,-electrical/mechanicali,-devicei,-fori,-maintainingi,-safei,-

water-level

Controllingi,-pressurei,-ini,-ai,-Hoti,-wateri,-systemi,-i,- i,--addi,-wateri,-toi,-addi,-

pressure

  • draini,-wateri,-toi,-draini,-pressure

Aquastati,-i,- i,--controlsi,-tempi,-ini,-hoti,-wateri,-system

  • cani,-stilli,-operate

Lowi,-wateri,-casualtyi,-i,- i,--wateri,-isi,-outi,-ofi,-sighti,-low

  • ori,-leveli,-unknowni,-andi,-burneri,-isi,-stilli,-running

Mosti,-commoni,-reasoni,-fori,-pressurei,-vesseli,-failuresi,-i,- i,-lowi,-wateri,-

conditions

Sequencei,-ofi,-Operationi,-fori,-boilersi,-i,- i,--Pre-purgei,-(4i,-times)

  • Ignitioni,-trial
  • Maini,-flame/operation
  • Shutdown
  • Posti,-purge

Pressurei,-controlsi,-i,- i,--Startsi,-thei,-burneri,-oni,-ai,-pressurei,-decrease

  • Stopsi,-thei,-burneri,-oni,-ai,-pressurei,-increase

Howi,-isi,-steami,-flowi,-measured?i,-i,- i,-Ini,-poundsi,-peri,-hour

Howi,-toi,-blowi,-downi,-ai,-sighti,-glassi,-i,- i,--closei,-topi,-valve,i,-theni,-openi,-

blowdown

  • closei,-bottomi,-valve,i,-openi,-topi,-valve
  • closei,-blowdowni,-valve,i,-openi,-bottomi,-valve

LWCOi,-testingi,-i,- i,--highi,-pressurei,--i,-daily

  • lowi,-pressurei,--i,-weekly
  • hoti,-wateri,--i,-monthly

Wheni,-isi,-ai,-furnacei,-explosioni,-mosti,-likelyi,-toi,-occur?i,-i,- i,-Duringi,-

startupi,-andi,-lowi,-load