TDLR Boiler Commission Exam
b. b. b.
Whatb.isb.theb.MAWPb.thresholdb.forb.requiringb.2b.gageb.glasses?b.-
correctb.answer✔ ✔ MAWPb.>b.400b.psi
b.
Whatb.areb.theb.requirementsb.forb.boilersb.withb.bareb.tubeb.heatingb.surfaceb.overb.500b.ft^2
?b.-b.correctb.answer✔ ✔ 2b.safetyb.reliefb.valvesb.
2b.sourcesb.ofb.feedwater,b.oneb.needsb.tob.beb.ab.pump/injector
(T/F)b.Ab.gageb.glassb.canb.beb.replacedb.byb.2b.remoteb.levelb.indicatorsb.atb.operatingb.level
.b.-b.correctb.answer✔ ✔ True
Whatb.isb.theb.minimumb.sizeb.ofb.ab.connectionb.pointb.forb.ab.gageb.glass?b.-
correctb.answer✔ ✔ 1/2b.inch
b.
Whob.inb.theb.Texasb.Departmentb.ofb.Licensingb.&b.Regulationb.(Henceforthb.referredb.tob.a
sb.TDLR)b.hasb.authorizationb.tob.condemnb.boilers?b.-b.correctb.answer✔ ✔
Chiefb.inspector,b.deputyb.inspector,b.executiveb.director
Whenb.nob.feedwaterb.pumpb.isb.presentb.whatb.isb.theb.requirementb.forb.SRVb.setb.pressur
e?b.-b.correctb.answer✔ ✔ 94%b.ofb.lowestb.supplyb.pressure
Waterb.columnb.drainb.andb.blowdownb.pipeb.minimumb.diameter?b.-b.correctb.answer✔ ✔
3/4b.inch
(T/F)b.Itb.isb.acceptableb.forb.gageb.glassb.materialb.tob.becomeb.cloudedb.andb.opaqueb.after
beingb.installed.b.-b.correctb.answer✔ ✔ False
b.
, Whatb.isb.theb.correctb.metalb.temperatureb.rangeb.forb.ab.pressureb.test?b.-b.correctb.answer
✔ ✔ 60Fb.-b.120F
Theb.minimumb.gageb.glassb.cleaningb.holeb.sizeb.isb._____.b.-b.correctb.answer✔ ✔
1/4b.inch
Whatb.areb.theb.requirementsb.forb.ab.pressureb.test?b.(Hint:b.duration,b.pressureb.relatedb.to
b. workingb.pressure,b.pressureb.relatedb.tob.stress)b.-b.correctb.answer✔ ✔
15b.minutes,b.1.5xb.MAWP,b.90%b.specificb.yield
Allb.exitb.doorsb.mustb.openb._____.b.-b.correctb.answer✔ ✔ Outward
Howb.oftenb.mustb.carbonb.monoxideb.calibrationb.occur?b.-b.correctb.answer✔ ✔
Everyb.18b.months
Whatb.carbonb.monoxideb.levelb.shouldb.tripb.anb.interlockingb.COb.sensor?b.-
correctb.answer✔ ✔ 50b.ppm
b.
Whatb.areb.theb.allowedb.typesb.ofb.cocksb.onb.ab.blowdownb.pipe?b.-b.correctb.answer✔ ✔
Glandb.&b.guard
Minimumb.metalb.requirementsb.forb.blowdownb.piping.b.-b.correctb.answer✔ ✔
Steel,b.scheduleb.80b.orb.higher
Whatb.typesb.ofb.metalb.canb.beb.usedb.forb.fittingsb.betweenb.theb.boilerb.andb.theb.blowdown
b. valve?b.-b.correctb.answer✔ ✔ Steelb.&b.extrab.heavyb.malleableb.iron
(T/F)b.Expansionb.tanksb.areb.necessaryb.forb.highb.temperatureb.boilersb.butb.notb.forb.hotb.
waterb.heatingb.systems.b.-b.correctb.answer✔ ✔ False
b. b. b.
Whatb.isb.theb.MAWPb.thresholdb.forb.requiringb.2b.gageb.glasses?b.-
correctb.answer✔ ✔ MAWPb.>b.400b.psi
b.
Whatb.areb.theb.requirementsb.forb.boilersb.withb.bareb.tubeb.heatingb.surfaceb.overb.500b.ft^2
?b.-b.correctb.answer✔ ✔ 2b.safetyb.reliefb.valvesb.
2b.sourcesb.ofb.feedwater,b.oneb.needsb.tob.beb.ab.pump/injector
(T/F)b.Ab.gageb.glassb.canb.beb.replacedb.byb.2b.remoteb.levelb.indicatorsb.atb.operatingb.level
.b.-b.correctb.answer✔ ✔ True
Whatb.isb.theb.minimumb.sizeb.ofb.ab.connectionb.pointb.forb.ab.gageb.glass?b.-
correctb.answer✔ ✔ 1/2b.inch
b.
Whob.inb.theb.Texasb.Departmentb.ofb.Licensingb.&b.Regulationb.(Henceforthb.referredb.tob.a
sb.TDLR)b.hasb.authorizationb.tob.condemnb.boilers?b.-b.correctb.answer✔ ✔
Chiefb.inspector,b.deputyb.inspector,b.executiveb.director
Whenb.nob.feedwaterb.pumpb.isb.presentb.whatb.isb.theb.requirementb.forb.SRVb.setb.pressur
e?b.-b.correctb.answer✔ ✔ 94%b.ofb.lowestb.supplyb.pressure
Waterb.columnb.drainb.andb.blowdownb.pipeb.minimumb.diameter?b.-b.correctb.answer✔ ✔
3/4b.inch
(T/F)b.Itb.isb.acceptableb.forb.gageb.glassb.materialb.tob.becomeb.cloudedb.andb.opaqueb.after
beingb.installed.b.-b.correctb.answer✔ ✔ False
b.
, Whatb.isb.theb.correctb.metalb.temperatureb.rangeb.forb.ab.pressureb.test?b.-b.correctb.answer
✔ ✔ 60Fb.-b.120F
Theb.minimumb.gageb.glassb.cleaningb.holeb.sizeb.isb._____.b.-b.correctb.answer✔ ✔
1/4b.inch
Whatb.areb.theb.requirementsb.forb.ab.pressureb.test?b.(Hint:b.duration,b.pressureb.relatedb.to
b. workingb.pressure,b.pressureb.relatedb.tob.stress)b.-b.correctb.answer✔ ✔
15b.minutes,b.1.5xb.MAWP,b.90%b.specificb.yield
Allb.exitb.doorsb.mustb.openb._____.b.-b.correctb.answer✔ ✔ Outward
Howb.oftenb.mustb.carbonb.monoxideb.calibrationb.occur?b.-b.correctb.answer✔ ✔
Everyb.18b.months
Whatb.carbonb.monoxideb.levelb.shouldb.tripb.anb.interlockingb.COb.sensor?b.-
correctb.answer✔ ✔ 50b.ppm
b.
Whatb.areb.theb.allowedb.typesb.ofb.cocksb.onb.ab.blowdownb.pipe?b.-b.correctb.answer✔ ✔
Glandb.&b.guard
Minimumb.metalb.requirementsb.forb.blowdownb.piping.b.-b.correctb.answer✔ ✔
Steel,b.scheduleb.80b.orb.higher
Whatb.typesb.ofb.metalb.canb.beb.usedb.forb.fittingsb.betweenb.theb.boilerb.andb.theb.blowdown
b. valve?b.-b.correctb.answer✔ ✔ Steelb.&b.extrab.heavyb.malleableb.iron
(T/F)b.Expansionb.tanksb.areb.necessaryb.forb.highb.temperatureb.boilersb.butb.notb.forb.hotb.
waterb.heatingb.systems.b.-b.correctb.answer✔ ✔ False
