LA STEAM ENGINEER EXAM
QUESTIONS WITH CORRECT ANSWERS
A cdesuperheater cthat cis cinstalled cin ca cboiler cis cused cto ccontrol.. c- cCORRECT
cANS✔✔Super cheated csteam ctemperature
Economizers care cfinned cto.. c- cCORRECT cANS✔✔Increase cthe crate cof cheat cfor
cheat ctransfer
The cheat ctransfer ctaking cplace cin ca csurface ccondenser cis caccomplished cmainly
cby.. c- cCORRECT cANS✔✔Conduction
An cunfired cpressure cvessel cwhich cis cused cto ctransfer cheat cfrom cone csubstance cto
canother cis ccalled.. c- cCORRECT cANS✔✔Feed cwater cheater, cEvaporator cand cOil
cCooler
Boiler ceconomizers care cprimarily cused cfor.. c- cCORRECT cANS✔✔Recovery cheat
cfrom cflue cgas
The cmain cpurpose cof cthe cdeaerator cis cto.. c- cCORRECT cANS✔✔Eliminate cnon-
condensable cgases
Superheated csteam cis cmore cefficient cbecause.. c- cCORRECT cANS✔✔Temperature
c& cTotal cheat ccontent care cincreased
A cspear cboiler cfeed cwater cpump cis cequipped cwith ca ccheck cvalve cin cthe cdischarge
cline cto... c- cCORRECT cANS✔✔Permit cfast cstart cup cby cleaving cthe cdischarge cvalve
copen
Excessive cfireside cdeposits con cheating csurfaces cof ca cuncontrolled csuper cheated
cboiler cwould cbe cindicated cby... c- cCORRECT cANS✔✔Decreased csuper cheater
coutlet ctemperature
Why cis cthe csuper cheater csafety cvalve cset cto crelease cbefore cthe cdrum csafety? c-
cCORRECT cANS✔✔To censure cflow cthrough cthe csuper cheater
What cis cthe cpurpose cof ca csteam ctrap? c- cCORRECT cANS✔✔To cdrain cwater cand
cair
, A csteam ctrap cutilizes cflash csteam cto copen cbut cwhat ccomes cafter cfor cthe cclosing
coperation? c- cCORRECT cANS✔✔Impulse
Pitting cin csuction careas cof ca cbronze cimpeller cin ccentrifugal cpumps cis cusually
ccaused cby? c- cCORRECT cANS✔✔(Best canswer) cCavitation cor c(Second cBest)
cCorrosion
What ctype cof cpump chas cno cmoving cparts? c- cCORRECT cANS✔✔Jet cpump
Centrifugal cboiler cfeed cwater cpumps care cusually cequipped cwith? c- cCORRECT
cANS✔✔Bypass cvalves
Which ccondition cis cthe cprobable ccause cof ccentrifugal cpump cfailure cto cdeliver cwater
cwhen cfirst cstarted? c- cCORRECT cANS✔✔Pump cis cnot cprimed
Low cpressure cfrom cmetering cor cproportioning cpumps cmay cbe ccaused cby? c-
cCORRECT cANS✔✔Rapid cwear con cplunger
If ca ccentrifugal cpump cthat coperates cwith csuction clift cbecomes cair cbound cyou
cshould? c- cCORRECT cANS✔✔Reprime cthe cpump
An cimportant cconsideration cin cthe cprevention cof ccarryover cin ca cboiler cis cto? c-
cCORRECT cANS✔✔Control cwater clevel
As calkalinity cof cboiler cwater cincreases cthe cwater cinside cthe cboiler cbecomes
cincreasingly c_________? c- cCORRECT cANS✔✔Soft
The cresidue ccreated cfrom cchemically ctreated cfeed cwater cremains cin cthe cboiler cthus
cincreasing cthe cneed cfor? c- cCORRECT cANS✔✔Boiler cBlowdown
Grooving cand cpitting cis ccaused cby? c- cCORRECT cANS✔✔Dissolved cO2 cand cCO2
What ctest cis cused cto cdetect ccorrosive cboiler cwater? c- cCORRECT cANS✔✔Hardness
cTest
Chemical cwhich cwould cnot cbe cused cfor cthe cpurpose cof cregeneration cof csoftner cand
cdematerialize cis? c- cCORRECT cANS✔✔Sulfuric cacid
Why care ccontinuous cblow cdowns cnecessary con chigh cmake cup? c- cCORRECT
cANS✔✔To cmaintain cproper cdissolved cboiler cwater csolids
Steam cseperation cis cless ceffective cwhen cthere cis? c- cCORRECT cANS✔✔High cwater
clevel cin cthe cdrum
Soft csludge cin cthe cwaterside cof cthe cboiler ccan cbe creadily cproduced cby? c-
cCORRECT cANS✔✔Dissolved csalts
QUESTIONS WITH CORRECT ANSWERS
A cdesuperheater cthat cis cinstalled cin ca cboiler cis cused cto ccontrol.. c- cCORRECT
cANS✔✔Super cheated csteam ctemperature
Economizers care cfinned cto.. c- cCORRECT cANS✔✔Increase cthe crate cof cheat cfor
cheat ctransfer
The cheat ctransfer ctaking cplace cin ca csurface ccondenser cis caccomplished cmainly
cby.. c- cCORRECT cANS✔✔Conduction
An cunfired cpressure cvessel cwhich cis cused cto ctransfer cheat cfrom cone csubstance cto
canother cis ccalled.. c- cCORRECT cANS✔✔Feed cwater cheater, cEvaporator cand cOil
cCooler
Boiler ceconomizers care cprimarily cused cfor.. c- cCORRECT cANS✔✔Recovery cheat
cfrom cflue cgas
The cmain cpurpose cof cthe cdeaerator cis cto.. c- cCORRECT cANS✔✔Eliminate cnon-
condensable cgases
Superheated csteam cis cmore cefficient cbecause.. c- cCORRECT cANS✔✔Temperature
c& cTotal cheat ccontent care cincreased
A cspear cboiler cfeed cwater cpump cis cequipped cwith ca ccheck cvalve cin cthe cdischarge
cline cto... c- cCORRECT cANS✔✔Permit cfast cstart cup cby cleaving cthe cdischarge cvalve
copen
Excessive cfireside cdeposits con cheating csurfaces cof ca cuncontrolled csuper cheated
cboiler cwould cbe cindicated cby... c- cCORRECT cANS✔✔Decreased csuper cheater
coutlet ctemperature
Why cis cthe csuper cheater csafety cvalve cset cto crelease cbefore cthe cdrum csafety? c-
cCORRECT cANS✔✔To censure cflow cthrough cthe csuper cheater
What cis cthe cpurpose cof ca csteam ctrap? c- cCORRECT cANS✔✔To cdrain cwater cand
cair
, A csteam ctrap cutilizes cflash csteam cto copen cbut cwhat ccomes cafter cfor cthe cclosing
coperation? c- cCORRECT cANS✔✔Impulse
Pitting cin csuction careas cof ca cbronze cimpeller cin ccentrifugal cpumps cis cusually
ccaused cby? c- cCORRECT cANS✔✔(Best canswer) cCavitation cor c(Second cBest)
cCorrosion
What ctype cof cpump chas cno cmoving cparts? c- cCORRECT cANS✔✔Jet cpump
Centrifugal cboiler cfeed cwater cpumps care cusually cequipped cwith? c- cCORRECT
cANS✔✔Bypass cvalves
Which ccondition cis cthe cprobable ccause cof ccentrifugal cpump cfailure cto cdeliver cwater
cwhen cfirst cstarted? c- cCORRECT cANS✔✔Pump cis cnot cprimed
Low cpressure cfrom cmetering cor cproportioning cpumps cmay cbe ccaused cby? c-
cCORRECT cANS✔✔Rapid cwear con cplunger
If ca ccentrifugal cpump cthat coperates cwith csuction clift cbecomes cair cbound cyou
cshould? c- cCORRECT cANS✔✔Reprime cthe cpump
An cimportant cconsideration cin cthe cprevention cof ccarryover cin ca cboiler cis cto? c-
cCORRECT cANS✔✔Control cwater clevel
As calkalinity cof cboiler cwater cincreases cthe cwater cinside cthe cboiler cbecomes
cincreasingly c_________? c- cCORRECT cANS✔✔Soft
The cresidue ccreated cfrom cchemically ctreated cfeed cwater cremains cin cthe cboiler cthus
cincreasing cthe cneed cfor? c- cCORRECT cANS✔✔Boiler cBlowdown
Grooving cand cpitting cis ccaused cby? c- cCORRECT cANS✔✔Dissolved cO2 cand cCO2
What ctest cis cused cto cdetect ccorrosive cboiler cwater? c- cCORRECT cANS✔✔Hardness
cTest
Chemical cwhich cwould cnot cbe cused cfor cthe cpurpose cof cregeneration cof csoftner cand
cdematerialize cis? c- cCORRECT cANS✔✔Sulfuric cacid
Why care ccontinuous cblow cdowns cnecessary con chigh cmake cup? c- cCORRECT
cANS✔✔To cmaintain cproper cdissolved cboiler cwater csolids
Steam cseperation cis cless ceffective cwhen cthere cis? c- cCORRECT cANS✔✔High cwater
clevel cin cthe cdrum
Soft csludge cin cthe cwaterside cof cthe cboiler ccan cbe creadily cproduced cby? c-
cCORRECT cANS✔✔Dissolved csalts
