MINNESOTA SPECIAL ENGINEER BOILER LICENSE PRACTICE EXAM QUESTIONS AND CORRECT ANSWERS

MINNESOTA SPECIAL ENGINEER BOILER
LICENSE PRACTICE EXAM QUESTIONS
AND CORRECT ANSWERS
ForA2theA2purposeA2ofA2ratingA2boilerA2horsepowerA2forA2anA2EngineersA2LicenseA2only,A2h
owA2manyA2squareA2feetA2ofA2boilerA2surfaceA2shallA2beA2equivalentA2toA2oneA2boilerA2hors
epowerA2onA2aA2boiler?A2-A2Ans--10A2Sq.A2Ft.A2HeatingA2Surface

WhatA2isA2meantA2byA2theA2termA2"LowA2PressureA2Boiler"?A2-A2Ans--
BoilersA2operatingA2atA2aA2steamA2orA2otherA2vaporA2pressureA2ofA215psigA2orA2less,A2orA2
aA2hotA2waterA2orA2otherA2liquidA2boilerA2inA2whichA2theA2pressureA2doesA2notA2exceedA216
0A2psigA2orA2aA2temperatureA2ofA2250A2degreesA2F.

AA2personA2holdingA2aA2currentA2StateA2ofA2MinnesotaA2SpecialA2EngineersA2LicenseA2co
uldA2beA2inA2chargeA2of,A2orA2aA2shiftA2engineerA2inA2whatA2sizeA2plant(s)?A2-A2Ans--
HighA2andA2LowA2pressureA2boilersA2notA2toA2exceedA2aA2totalA2ofA250A2boilerA2horsepowe
r,A2orA2aA2shiftA2engineerA2inA2aA2100A2horsepowerA2plant.

SpecialA2EngineerA2mayA2serveA2asA2anA2apprenticeA2ofA2whatA2sizeA2water/
liquidA2orA2steam/vaporA2boiler?A2-A2Ans--
InA2anyA2plantA2regardlessA2ofA2sizeA2underA2theA2directA2supervisionA2ofA2aA2properlyA2lic
ensedA2engineer.

TheA2purposeA2ofA2lowA2waterA2cutA2outA2onA2aA2steamA2orA2hotA2waterA2boilerA2isA2toA2wh
at?A2-A2Ans--ShutA2offA2theA2burnerA2whenA2aA2lowA2waterA2conditionA2exists.

TheA2valveA2orA2valvesA2thatA2mustA2relieveA2allA2excessA2pressureA2onA2aA2steamA2orA2ho
tA2waterA2boilerA2areA2what?A2-A2Ans--SafetyA2valveA2and/
orA2anA2ASMEA2approvedA2safetyA2reliefA2valve.

AA2TriA2indicatorA2couldA2beA2foundA2onA2a:A2-A2Ans--HotA2waterA2boiler

AA2triA2indicatorA2wouldA2informA2theA2boilerA2operatorA2ofA2what?A2-A2Ans--
TheA2TEMPERATUREA2ofA2theA2water,A2theA2PRESSUREA2ofA2theA2waterA2inA2PSIG,A2an
dA2theA2ALTITUDEA2ofA2waterA2inA2feet.

WhatA2isA2theA2destructiveA2forceA2inA2aA2steamA2orA2hotA2waterA2boilerA2explosion?A2-
A2Ans--TheA2instantA2releaseA2ofA2energyA2storedA2inA2theA2waterA2asA2heat.


AnA2ASMEA2approvedA2safetyA2relieveA2calveA2usedA2onA2aA2hotA2waterA2boilerA2isA2teste
dA2atA2theA2factoryA2onA2what?A2-A2Ans--SteamA2firstA2thenA2hotA2water.

, SomeA2ofA2theA2thingsA2youA2couldA2findA2onA2aA2steamA2boilerA2(orA2hotA2waterA2boiler)A2
areA2what?A2-A2Ans--
LowA2waterA2cutA2off,A2safetyA2valveA2orA2safetyA2reliefA2valve,A2pressureA2gauge.

WhatA2devicesA2wouldA2onlyA2beA2foundA2onA2aA2steamA2boiler?A2-A2Ans--
SteamA2pressureA2gauge,A2tricocks,A2Pressuretrols

AnA2expansionA2tankA2orA2compressionA2tankA2wouldA2beA2usedA2inA2what?A2-A2Ans--
HotA2waterA2boiler

WhatA2isA2theA2purposeA2ofA2theA2expansionA2tank?A2-A2Ans--
ToA2provideA2forA2expansionA2andA2contractionA2ofA2theA2waterA2volumeA2asA2itsA2tempera
tureA2varies.

OnA2aA2hotA2waterA2boiler,A2whatA2isA2theA2purposeA2ofA2theA2ventA2valve?A2-A2Ans--
ToA2makeA2sureA2thereA2isA2waterA2insideA2theA2boilerA2andA2toA2ventA2anyA2trappedA2air.

IfA2theA2safetyA2valveA2orA2ASMEA2safetyA2reliefA2valveA2leaksA2youA2wouldA2doA2what?A2-
A2Ans--HaveA2theA2valveA2repairedA2orA2replaced.


TriA2cocksA2orA2gaugeA2cocksA2areA2suedA2onA2aA2steamA2boilerA2toA2indicate?A2-A2Ans--
TheA2trueA2waterA2levelA2insideA2theA2boiler.

OnA2aA2steamA2orA2hotA2waterA2boiler,A2theA2safetyA2valveA2orA2safetyA2reliefA2valveA2could
A2beA2testedA2by?A2-A2Ans--
WhenA2theA2boilerA2isA2runningA2liftingA2theA2leverA2onA2theA2valveA2orA2raisingA2theA2press
ureA2untilA2theyA2operate.

BeforeA2startingA2aA2steamA2orA2hotA2waterA2boilerA2youA2shouldA2checkA2forA2what?A2-
A2Ans--WaterA2inA2theA2boiler.


TrueA2orA2False:A2BottomA2blowA2downA2valvesA2areA2usedA2forA2bothA2steamA2andA2hotA2
water.A2-A2Ans--True

SafetyA2valvesA2orA2safetyA2reliefA2valvesA2shouldA2beA2manuallyA2testedA2atA2least...?A2-
A2Ans--Monthly


TheA2lowA2waterA2cutA2outA2isA2oneA2ofA2theA2mostA2importantA2electrical/
mechanicalA2devicesA2onA2yourA2boiler.A2HowA2oftenA2shouldA2youA2testA2it?A2-A2Ans--
Daily

WhatA2deviceA2mustA2beA2locatedA2betweenA2aA2hotA2waterA2boilerA2andA2theA2expansionA
2tank?A2-A2Ans--
AA2shutA2offA2valveA2soA2theA2expansionA2canA2beA2isolatedA2andA2drainedA2duringA2opera
tionA2ofA2theA2boiler.