Study Guide Questions (LA Steam
Engineer License Exam) With Correct
Answers
What care cthe cprecautions cto cbe cobserved cwhen cstarting cany cboiler cthat chas cbeen
cclosed cdow covernight? cAre cthere cany cspecial cprecautions crequired cstarting ca cgas
cburning cboiler? c- cCORRECT cANS✔✔Make ca cphysical cobservation cof cthe cboiler
cand cits csystems, cwalk caround cthe cboilerto ccheck cfor cany cabnormal cconditions
csuch cas cflammable cmaterial cat cthe cdampers, cfuel cleaks,damaged celectrical
cconduits, cetc. cCheck call cboiler csystems c(feedwater, cfuel, cetc). cVery cimportant
cissue cin cstarting ca cgas cfiring cboiler cis ca cfurnace cprepurge. cIt cis cnever chas cto cbe
caltered cor cbypassed.
How cdo cyou cdetermine cwhether cfeedwater ccheck cvalve cfor cthe cboiler cis cnot
cclosing? c- cCORRECT cANS✔✔Check cthe ctemperature cdifferential cat cthe ccheck
cvalve cwhen cfeedwater cpump cis cnot cin coperation.
What ccauses cfoaming cin cthe cboiler? cHow cwould cyou cknow cwhen ca cboiler cis
cfoaming? cHow cdo cyou cstop cfoaming cin ca cboiler? c- cCORRECT cANS✔✔High cTDS,
corganic cmatter cand coil cin cthe cboiler ccases cfoaming. cIf cthe cwater clevel cin cthe cgage
cglass cfluctuates, cthe cmost cprobable ccause cof cthisis cfoaming. cWe creduce camount
cof cTDS cby ccontinuous cand cbottom cblowdowns;we cuse canti-foaming cchemicals cto
cprevent cfoaming.
What cis cboiler cpriming? cWhat ccauses cpriming? cHow ccan cpriming cin ca cboiler
cdamage can cengine cor cpump? c- cCORRECT cANS✔✔When cthe cliquid cwater cfrom
cthe cboiler cdrum cgets cto cthe csteam clines cit ccalled cpriming. cPriming ccan cbe ccaused
cby cboiler cdrum clevel cexcessively chigh, cby cfoaming, csudden cpressure cdrop,and
cfiring cratebeing cto chigh. cPriming ccauses cwater chammer cthat ccould cdestroy cor
cshorten cthe clife cexpectancy cof ca cload c(mechanical cdamage)
What cwould cyou cdo cif cthe cpressure cgauge con cthe cboiler cregisters c150 cpsi cand
cyou cknew cthat cthe csafety cvalve cwas cset cto copen cat c100 cpsi? c- cCORRECT
cANS✔✔Most clikely cpressure cgage cfailed. cIn corder cto cget csuch cexcessive cpressure
cboth coperating cand chigh cpressure climit ccontrols chave cto cfail calso, cplus cthe csafety
cvalve. cAlso, cif cthe cboiler cwas cover cpressurized cto csuch cextent, cit cwould cgive
Engineer License Exam) With Correct
Answers
What care cthe cprecautions cto cbe cobserved cwhen cstarting cany cboiler cthat chas cbeen
cclosed cdow covernight? cAre cthere cany cspecial cprecautions crequired cstarting ca cgas
cburning cboiler? c- cCORRECT cANS✔✔Make ca cphysical cobservation cof cthe cboiler
cand cits csystems, cwalk caround cthe cboilerto ccheck cfor cany cabnormal cconditions
csuch cas cflammable cmaterial cat cthe cdampers, cfuel cleaks,damaged celectrical
cconduits, cetc. cCheck call cboiler csystems c(feedwater, cfuel, cetc). cVery cimportant
cissue cin cstarting ca cgas cfiring cboiler cis ca cfurnace cprepurge. cIt cis cnever chas cto cbe
caltered cor cbypassed.
How cdo cyou cdetermine cwhether cfeedwater ccheck cvalve cfor cthe cboiler cis cnot
cclosing? c- cCORRECT cANS✔✔Check cthe ctemperature cdifferential cat cthe ccheck
cvalve cwhen cfeedwater cpump cis cnot cin coperation.
What ccauses cfoaming cin cthe cboiler? cHow cwould cyou cknow cwhen ca cboiler cis
cfoaming? cHow cdo cyou cstop cfoaming cin ca cboiler? c- cCORRECT cANS✔✔High cTDS,
corganic cmatter cand coil cin cthe cboiler ccases cfoaming. cIf cthe cwater clevel cin cthe cgage
cglass cfluctuates, cthe cmost cprobable ccause cof cthisis cfoaming. cWe creduce camount
cof cTDS cby ccontinuous cand cbottom cblowdowns;we cuse canti-foaming cchemicals cto
cprevent cfoaming.
What cis cboiler cpriming? cWhat ccauses cpriming? cHow ccan cpriming cin ca cboiler
cdamage can cengine cor cpump? c- cCORRECT cANS✔✔When cthe cliquid cwater cfrom
cthe cboiler cdrum cgets cto cthe csteam clines cit ccalled cpriming. cPriming ccan cbe ccaused
cby cboiler cdrum clevel cexcessively chigh, cby cfoaming, csudden cpressure cdrop,and
cfiring cratebeing cto chigh. cPriming ccauses cwater chammer cthat ccould cdestroy cor
cshorten cthe clife cexpectancy cof ca cload c(mechanical cdamage)
What cwould cyou cdo cif cthe cpressure cgauge con cthe cboiler cregisters c150 cpsi cand
cyou cknew cthat cthe csafety cvalve cwas cset cto copen cat c100 cpsi? c- cCORRECT
cANS✔✔Most clikely cpressure cgage cfailed. cIn corder cto cget csuch cexcessive cpressure
cboth coperating cand chigh cpressure climit ccontrols chave cto cfail calso, cplus cthe csafety
cvalve. cAlso, cif cthe cboiler cwas cover cpressurized cto csuch cextent, cit cwould cgive
