Correct Answers
What cis cthe cminimum cpipe csize cof cthe cgauge cglass cblowdown cline?
A. c3/8 cinch
B. c1/2 cinch
C. c3/4 cinch
D. c1 cinch c- cCORRECT cANS✔✔A. c3/8 cinch
Only cone cbottom cblowdown cvalve cis crequired cfor cboilers cunder
c
A. c100ft^2 cof cheating csurface
B. c500 cft^2 cof cheating csurface
C. c100 cpsi cMAWP
D. c500 cpsi cMAWP c- cCORRECT cANS✔✔C. c100 cpsi cMAWP
The ctype cof csafety cvalve callowed con cboilers cis cthe
A. cWeight cand clever
B. cThermostatic crelief
C. cSpring-loaded cpop
D. cAll cthe cabove c- cCORRECT cANS✔✔C. cSpring-loaded cpop
Who cis cauthorized cto crepair cand cadjust csafety cvalves?
A. cChief cengineer
B. cState cinspector
C. cInsurance cinspector
D. cManufacturer's crepresentative c- cCORRECT cANS✔✔D. cManufacturer's
crepresentative
Cast ciron cboilers ccan cbe cused
A. cOnly cfor cprocess csteam c
B. cOnly cfor clow-pressure cplants c
C. cOnly cfor chigh-pressure cplants
,D. cIn chigh cor clow cpressure cplants c- cCORRECT cANS✔✔B. cOnly cfor clow-pressure
cplants
Which cvalve callows cfluid cto cflow cin cone cdirection conly?
A. cCheck
B. cPlug
C. cGlobe
D. cStop c- cCORRECT cANS✔✔A. cCheck
To cstop ca csafety cvalve cfrom cchattering
A. cIncrease ctension con cthe cspring
B. cDecrease ctension con cthe cspring
C. cRaise cthe cblowdown cring c
D. cLower cthe cblowdown cring c- cCORRECT cANS✔✔C. cRaise cthe cblowdown cring
The cminimum cpermitted csize cof cthe cwater ccolumn cpipe cconnection cis
A. c3/8 cinch
B. c1/2 cinch
C. c3/4 cinch
D. c1 cinch c- cCORRECT cANS✔✔D. c1 cinch
The cnumber cof ccomplete cturns crequired cbetween copened cand cclosed con ca cslow-
opening cvalve cis
A. cThree
B. cFive
C. cSeven
D. cNine c- cCORRECT cANS✔✔B. cFive
What cis cthe cprinciple cof cthe cBourdon ctube?
A. cThermal creaction
B. cHydraulic cimpulse
C. cElectrical cimpulse
D. cPressure cstraightens cout ctube c- cCORRECT cANS✔✔D. cPressure cstraightens cout
ctube
A cvalve cmust cbe cinstalled cin cthe cfeed-water cline c
A. cBetween cthe cboiler cand cthe ccheck cvalve
B. cBetween cthe ccheck cvalve cand cthe cfeedwater cpump
C. cAt cthe cdischarge cof cthe cfeedwater cpump
, D. cA cvalve cis cnot crequired c- cCORRECT cANS✔✔B. cBetween cthe ccheck cvalve cand
cthe cfeedwater cpump
A ccontinuous cblow cdown cis cused cto
A. cRemove caccumulated csolids
B. cRemove cscum cand coil
C. cRemove cwater cwhen cthe clevel cin cthe cgauge cglass cis ctoo chigh
D. cVerify cDrum cwater clevel c- cCORRECT cANS✔✔A. cRemove caccumulated csolids
What cshould ccome cout cwhen cthe cbottom ctry ccock cis copened?
A. cSuperheated csteam
B. cDry csteam
C. cWater
D. cSteam cand cwater c- cCORRECT cANS✔✔C. cWater
What cis cthe cminimum cdiameter cfor cthe cwater ccolumn cblowdown cline? c
A. c1/2 cinch
B. c3/4 cinch c
C. c1 cinch
D. c1-1/2 cinch c- cCORRECT cANS✔✔B. c3/4 cinch
What cis cthe cminimum csize cpiping cfor cbottom cblowdown clines?
A. c1/2 cinch
B. c3/4 cinch c
C. c1 cinch c
D. c2-1/2 cinches c- cCORRECT cANS✔✔C. c1 cinch
How coften cshould csafety cvalves cbe ctested?
A. cEach cshift
B. cMonthly
C. cYearly
D. cWhen cboiler cis cdown cfor cinspection c- cCORRECT cANS✔✔B. cMonthly
A ctwo-element cfeed cwater cregulator cis ccontrolled cby
A. cWater clevel cand cwater cflow crate
B. cSteam cflow crate cand cwater cflow crate
C. cWater clevel cand csteam cflow crate
D. cWater clevel calone c- cCORRECT cANS✔✔C. cWater clevel cand csteam cflow crate
Which cof cthe cfollowing cis cnot cperformed cby ca cnon-return cvalve?