POWER ENGINEERING 4B EXAM QUESTION BANK, COMPLETE WITH
QUESTIONS AND CORRECT & CORRECT ANSWERS, LATEST VERSION
ALREADY GRADED A+
"d c- c<=CORRECT cANSWER cOn ca csemi-automatic cignition csystem, cthe cswitch con cthe csupervised
ccock c
a) cshuts cdown cthe cboiler cif cthe cmain ctest cfiring cvalve cis copened cduring coperation c
b) callows cthe cboiler cto cautomatically crecycle c
c) ckeeps cthe cboiler cfrom cpre-purging cif cthe ctest cfiring cvalve cis copen c
d) ckeeps cthe cboiler cfrom cpre-purging cif cthe cmain ctest cfiring cvalve cis copen"
"a c- c<=CORRECT cANSWER cIf cthe csafety crelief cvalve cof ca chot cwater cheating cboiler cis cset cto
copen cat c207kPa, cthe coperating cpressures cshould cnot cexceed c
a) c138 ckPa c
b) c207 ckPa c
c) c155 ckPa c
d) c52 ckPa"
,"c c- c<=CORRECT cANSWER cin ca cmultiple cboiler chigh cpressure csteam cplant c, cwhen cstarting can
centire csystem cfrom ccold c
a) call cboilers care cstarted cand cwarmed cat cthe csame ctime c
b) cboilers cremaining coff-line cmust chave ctheir cboiler cand cheader cstop cvalves copen, cand ctheir cnon-
return cdrain cvalves cshut c
c) cthe centire csystem cwarms cand cpressurizes cas cone cboiler cwarms, cexcept cfor cthe cboilers
cremaining coff-line c
d) ca csmall cauxiliary cheating cboiler cis cused cto cwarm cthe csteam clines cwhile cthe cpower cboilers care
cwarming"
"d c- c<=CORRECT cANSWER cdeaerators coften chave clow clevel calarms cand clow-low clevel ctrips
a) cin ccase cof cboiler ctrips c
b) cin ccase cthe cboiler cfeed cwater cvalve cfails copen c
c) cin ccase cthe cboiler cfeed cwater cpumps ctrip c
d) cin ccase cthe ccondensate ctransfer cpumps ctrip"
"b c- c<=CORRECT cANSWER cWhich ccode ccontains cinformation con csafety cvalves cfor chigh cpressure
csteam cboilers?
Select cone:
a. cCSA cB-52
b. cASME cSection cI
c. cASME cSection cIV
d. cASME cB31.5"
"c c- c<=CORRECT cANSWER cboilers cshould cbe cwarmed cup c
a) cwith cmaximum ccombustion cair c, cto cprevent csmoking c
b) crapidly, cso cthe cmetal cheats cup cfaster c
c) cslowly, cto cminimize cdifferential cexpansion cand cthermal cshock
d) cusing conly cthe cpilot cburner"
"c c- c<=CORRECT cANSWER cBefore cperforming ca ctry clever ctest con ca cpower cboiler, cwhat cpressure
cshould cthe cboiler cbe cat c
a) cthe cboiler cMAWP
b) cthe cset cpressure cof cthe csafety cvalve c
c) cat cleast c75% cof cthe cset cpressure cof cthe csafety cvalve c
d)at cor cabove c750kPa"
"c c- c<=CORRECT cANSWER cwhen cclosing cup ca cboiler c
, a) chandhole cand cmanhole cgaskets cmust cbe ccoated cwith ca csealant, csuch cas cgraphite cpaste cor
csilicone c
b) chandhole cand cmanhole cgaskets cshould cbe creused c, cbecause cthey care cexpensive c
c) cnew chandhole cand cmanhole cgaskets cmust cbe cused, cto cprevent cmajor cblowouts cand ccostly
cunplanned cboiler coutages c
d) chandhole cand cmanhole cyolks cmust cbe ctorqued cuntil cthe cgaskets care ccompressed cto cless cthan
c1mm cthick"
“d c- c<=CORRECT cANSWER cThe cmost cimportant crule cin csafe coperation cof ca csteam cboiler cis cto c
a) ckeep cthe cheat ctransfer csurfaces cclean c
b) cmaintain cthe cboiler croom clog c
c) ctry cto ckeep cmake cup cwater cto ca cminimum c
d) ckeep cwater cin cthe cboiler cat cthe cproper clevel"
"d c- c<=CORRECT cANSWER cFailure cto c_______________ cthe cfurnace cthoroughly cbefore clight-up
ccan ccause cfurnace cexplosion c
a) cpreheat
b) csoot-blow
c) ccool
d) cpurge"
"d c- c<=CORRECT cANSWER cWhat cis cthe crecommended cboiler cwater cpH cfor cwet clayup?
a) c7
b) c7.5
c) c12
d) c10"
"d c- c<=CORRECT cANSWER cone ccause cof cmain cflame cfailure cin coil cfired cboilers cis c
a) cexcessive cfuel ctemperature
b) cExcessive cpurge cduration
c) cexcessive cfurnace ctemperature c
d) cwater cin cfuel"
"b c- c<=CORRECT cANSWER cASME cCSD-1 crecommends cthat cflame crods cand cscanners cbe creplaced c
a) cafter c5000 chrs cof coperation c
b) cannually c
c) cmonthly c
d) cbefore cproblems coccur"
QUESTIONS AND CORRECT & CORRECT ANSWERS, LATEST VERSION
ALREADY GRADED A+
"d c- c<=CORRECT cANSWER cOn ca csemi-automatic cignition csystem, cthe cswitch con cthe csupervised
ccock c
a) cshuts cdown cthe cboiler cif cthe cmain ctest cfiring cvalve cis copened cduring coperation c
b) callows cthe cboiler cto cautomatically crecycle c
c) ckeeps cthe cboiler cfrom cpre-purging cif cthe ctest cfiring cvalve cis copen c
d) ckeeps cthe cboiler cfrom cpre-purging cif cthe cmain ctest cfiring cvalve cis copen"
"a c- c<=CORRECT cANSWER cIf cthe csafety crelief cvalve cof ca chot cwater cheating cboiler cis cset cto
copen cat c207kPa, cthe coperating cpressures cshould cnot cexceed c
a) c138 ckPa c
b) c207 ckPa c
c) c155 ckPa c
d) c52 ckPa"
,"c c- c<=CORRECT cANSWER cin ca cmultiple cboiler chigh cpressure csteam cplant c, cwhen cstarting can
centire csystem cfrom ccold c
a) call cboilers care cstarted cand cwarmed cat cthe csame ctime c
b) cboilers cremaining coff-line cmust chave ctheir cboiler cand cheader cstop cvalves copen, cand ctheir cnon-
return cdrain cvalves cshut c
c) cthe centire csystem cwarms cand cpressurizes cas cone cboiler cwarms, cexcept cfor cthe cboilers
cremaining coff-line c
d) ca csmall cauxiliary cheating cboiler cis cused cto cwarm cthe csteam clines cwhile cthe cpower cboilers care
cwarming"
"d c- c<=CORRECT cANSWER cdeaerators coften chave clow clevel calarms cand clow-low clevel ctrips
a) cin ccase cof cboiler ctrips c
b) cin ccase cthe cboiler cfeed cwater cvalve cfails copen c
c) cin ccase cthe cboiler cfeed cwater cpumps ctrip c
d) cin ccase cthe ccondensate ctransfer cpumps ctrip"
"b c- c<=CORRECT cANSWER cWhich ccode ccontains cinformation con csafety cvalves cfor chigh cpressure
csteam cboilers?
Select cone:
a. cCSA cB-52
b. cASME cSection cI
c. cASME cSection cIV
d. cASME cB31.5"
"c c- c<=CORRECT cANSWER cboilers cshould cbe cwarmed cup c
a) cwith cmaximum ccombustion cair c, cto cprevent csmoking c
b) crapidly, cso cthe cmetal cheats cup cfaster c
c) cslowly, cto cminimize cdifferential cexpansion cand cthermal cshock
d) cusing conly cthe cpilot cburner"
"c c- c<=CORRECT cANSWER cBefore cperforming ca ctry clever ctest con ca cpower cboiler, cwhat cpressure
cshould cthe cboiler cbe cat c
a) cthe cboiler cMAWP
b) cthe cset cpressure cof cthe csafety cvalve c
c) cat cleast c75% cof cthe cset cpressure cof cthe csafety cvalve c
d)at cor cabove c750kPa"
"c c- c<=CORRECT cANSWER cwhen cclosing cup ca cboiler c
, a) chandhole cand cmanhole cgaskets cmust cbe ccoated cwith ca csealant, csuch cas cgraphite cpaste cor
csilicone c
b) chandhole cand cmanhole cgaskets cshould cbe creused c, cbecause cthey care cexpensive c
c) cnew chandhole cand cmanhole cgaskets cmust cbe cused, cto cprevent cmajor cblowouts cand ccostly
cunplanned cboiler coutages c
d) chandhole cand cmanhole cyolks cmust cbe ctorqued cuntil cthe cgaskets care ccompressed cto cless cthan
c1mm cthick"
“d c- c<=CORRECT cANSWER cThe cmost cimportant crule cin csafe coperation cof ca csteam cboiler cis cto c
a) ckeep cthe cheat ctransfer csurfaces cclean c
b) cmaintain cthe cboiler croom clog c
c) ctry cto ckeep cmake cup cwater cto ca cminimum c
d) ckeep cwater cin cthe cboiler cat cthe cproper clevel"
"d c- c<=CORRECT cANSWER cFailure cto c_______________ cthe cfurnace cthoroughly cbefore clight-up
ccan ccause cfurnace cexplosion c
a) cpreheat
b) csoot-blow
c) ccool
d) cpurge"
"d c- c<=CORRECT cANSWER cWhat cis cthe crecommended cboiler cwater cpH cfor cwet clayup?
a) c7
b) c7.5
c) c12
d) c10"
"d c- c<=CORRECT cANSWER cone ccause cof cmain cflame cfailure cin coil cfired cboilers cis c
a) cexcessive cfuel ctemperature
b) cExcessive cpurge cduration
c) cexcessive cfurnace ctemperature c
d) cwater cin cfuel"
"b c- c<=CORRECT cANSWER cASME cCSD-1 crecommends cthat cflame crods cand cscanners cbe creplaced c
a) cafter c5000 chrs cof coperation c
b) cannually c
c) cmonthly c
d) cbefore cproblems coccur"
