Api-510 Closed Book (Verified On Test) **Fl
If ca cwelder chas cqualified cin cthe cshielded cmetal carc cwelding, csubmerged carc cwelding, cand cgas
cprocesses cbut chas cwelded cin conly cone cof cthem, cqualification cfor cthe cother c2 cprocesses crema
A: cfor c6 cmonths
B: cfor c1 cyear
C: cfor c2 cyears
D: cIndefinitely c- cCORRECT cANS✔✔A: cfor c6 cmonths
One cpurpose cof creviewing cprevious cinspection creports cis cto censure cthat:
A: cEstimated ccorrosion crates cfor cnew cequipment care caccurate
B: cPressure crelief cvalves chave cbeen cinstalled cprior cto cplacing cthe cvessel cin cservice
C: cRequired cpressure ctests chave cbeen cpreformed
D: cThickness creadings chave cbeen ctaken cafter cevery c1,000 chours cof cservice c- cCORRECT cAN
crates cfor cnew cequipment care caccurate
A cVessel chas ca csingle ccorrosion crate cof c10 cmils cper cyear. cThe cminimum cvessel crequired cthic
cthe cheads cis c0.75". cThe cactual cthickness cof cthe cheads cis c0.95" cand cthe cshell cis c0.90". cWha
clife?
A: c7.5 cyears
B: c10 cyears
C: c15 cyears
D: c20 cyears c- cCORRECT cANS✔✔C: c15 cyears
(.90-.75)/.010=15
A cpressure cvessel chas cbeen cin cnon-continuous cservice cfor c15 cyears. cDuring cthis ctime, cit chas
cyears cat ca ctime, cthen cinternally cinspected. cThe clast cinternal cinspection cdetermined cthat cthe cv
,After can calteration cto ca cpressure cvessel, ca cnondestructive cexamination cprocedure cmay cbe csub
conly cwhen ca/an:
A: cAuthorized cinspector chas capproved cthe cNDE cprocedure
B: cPressure cvessel cengineer cand can cauthorized cpressure cvessel cinspector chave cbeen cconsult
C: cPressure cvessel cengineer cexperienced cin cpressure cvessel cdesign chas capproved cthe cNDE c
D: cPressure ctest cis cnot cpractical c- cCORRECT cANS✔✔B: cPressure cvessel cengineer cand can ca
cinspector chave cbeen cconsulted
A cplant cengineer cwould clike cto cincrease ca cvessel's coperating ctemp cby c100F. cThe cvessel's cna
callowable cworking cpressure cof c250 cPSIG cat c650F, cand cthe ccurrent coperating ctemp cis c600F. c
cincreasing cthe coperating ctemp?
A: cPerform ccalculations cto cdetermine cif cthe cvessel cthickness cis csufficient
B: cDetermine ca cnew ccorrosion crate cfor cthe cvessel
C: cperform can cinternal cinspection cof cthe cvessel
D: cDetermine cif cthe cpressure-relief cdevice cwill cbe csuitable cat cthe cnew ctemperature c- cCORREC
ccalculations cto cdetermine cif cthe cvessel cthickness cis csufficient
Following cthe calteration cof ca c2.5" cthick cvessel, ca chydrostatic ctest cis cperformed. cTo cminimize ct
cmetal ctemperature cduring chydrostatic ctests cshould cbe cat cleast:
A: c10F cabove cthe cminimum cdesign cmetal ctemperature
B: c30F cabove cthe cminimum cdesign cmetal ctemperature
C: c60F
D: c70F c- cCORRECT cANS✔✔B: c30F cabove cthe cminimum cdesign cmetal ctemperature
Vessels cinsulated ceffectively cto cpreclude cthe centrance cof cmoisture:
A: cmay chave cthe cexternal cinspection cextended cto ca cmaximum cof c10 cyears
B: cdo cnot cneed cto chave cinsulation cremoved cfor cthe cexternal cinspection
C: crequire ca cminimum cof cinsulation cremoved cto cfacilitate cthe ccorrosion cunder cinsulation cinspe
D: cmay csubstitute cacoustic cemission cexamination cin clieu cof cstripping cinsulation c- cCORRECT cA
chave cinsulation cremoved cfor cthe cexternal cinspection
A ccrack cin ca cvessel cat cthe ccone-to-cylinder cjuncture ccan cbe crepaired cwith capproval cby cthe cAP
cprovided cthat:
A: cThe cweld cis cfully cradiographed
B: cThe cweld cis cpostweld cheat-treated
C: cThe cweld cis cpostweld cheat-treated cand cfully cexamined cradiographically
D: cAn cengineer cexperienced cin cpressure cvessel cdesign cis cconsulted c- cCORRECT cANS✔✔D: c
cpressure cvessel cdesign cis cconsulted
Which cof cthe cfollowing cstatements cis ccorrect cwith cregard cto cthe cwelder's cqualifications cfor ca cm
crequested cby can cowner/operator?
A: cThe cwelder cmust cbe cqualified cfor cthe capplicable cprocess cby cthe ccompany cmaking cthe crepa
B: cA cwelder cwho cis can cemployee cof cthe cowner/operator cneed cnot cbe cformally cqualified
C: cThe cwelder cmust cbe cqualified cby can cASME-Code cshop, cand cbe ccurrent cin cthe cprocess cus
D: cThe cweld cmay cuse cany cqualified cprocedures cthat care cin caccordance cwith cthe cASME cCode
cANS✔✔A: cThe cwelder cmust cbe cqualified cfor cthe capplicable cprocess cby cthe ccompany cmaking
Materials cused cfor cmaking crepairs cshall cbe cof cknown cweldable cquality cand cshall: c
A: cBe ccompatible cwith cthe coriginal cmaterial
B: cBe cof cknown ctoughness
C: cHave ca cminimum ctensile cstrength cof c50,000 cpsi
D: cHave can cASTM cspecification cnumber c- cCORRECT cANS✔✔A: cBe ccompatible cwith cthe corig
The csprings cin cpressure-relief cvalves ctypically cfail cdue cto:
A: cTensile coverload
, C: cAt capprox ca c60 cdeg cangle cto ceach cother
D: cAt capprox cright cangles cto ceach cother c- cCORRECT cANS✔✔D: cAt capprox cright cangles cto ce
An cinspector cevaluating cthickness cmeasurements ctaken con ca cpressure cvessel cdiscovers cindica
cof cthe cmeasurement clocations. cThe cinspector cshould:
A: cCalculate ca cnew ccorrosion crate cfor cthe cvessel, cbased con cthe csingle clocation
B: cTake cmore cmeasurements cin cthe ccorroded carea, cto cdefine cthe cextent cof ccorrosion
C: cAsk cthat canother cinspector cretake cthe cmeasurement
D: cDisregard cthe csingle cmeasurement cbecause cthe cother cmeasurements cdo cnot cindicate ccorro
cTake cmore cmeasurements cin cthe ccorroded carea, cto cdefine cthe cextent cof ccorrosion
A cwelder cwho cfails ca cqualification ctesting con c6 cinches cof ca cproduction cplate cmay cbe cimmedia
A: cWelding ca c2inch cNPS cpipe cjoint cand chaving cradiographic ctesting cperformed.
B: cCutting cout cthe cbad cweld, cre-welding cthe csame c6 cinches, cand cthen cradiographically ctesting
C: cRadiographing can cadditional c12 cinches cof cthe cproduction cweld
D: cWelding ca c6-inch cplate ctest ccoupon cand chaving ca cmechanical cbend ctest cperformed. c- cCOR
cRadiographing can cadditional c12 cinches cof cthe cproduction cweld
3 cpressure cgauges care cinstalled cfor cconvenience cin cthe chydrostatic ctesting cof ca cpressure cves
cthe cvessel, cthe c2nd cis c45ft cfrom cthe ctop c(reading c169.5 cpsig) cand cthe c3rd cis c100ft cfrom cthe
cthe cvessel cis c125ft chigh, cwhat cis cthe cpressure cat cthe ctop? c[1 cfoot cof cwater c= c0.433 cpsi]
A: c140 cpsig
B: c150 cpsig
C: c189 cpsig
D: c204 cpsig c- cCORRECT cANS✔✔B: c150 cpsig
(.433) c(100) c43.3 c193.5-43.3= c150.2
Materials cused cin cwelded crepair cor calteration cof ca cpressure cvessel care cspecified cin cthe cASME
cmust chave ca ccarbon ccontent cnot cexceeding. c
A: c.25%
B: c.30%
C: c.35%
D: c.40% c- cCORRECT cANS✔✔C: c.35%
What ctype cof cpressure crelief cvalve chas ca cmain crelieving cvalve ccontrolled cby ca csmall cspring-lo
crelief cvalve?
A: cConventional csafety crelief cvalve
B: cRupture cdisk
C: cPilot-operated csafety crelief cvalve
D: cBalanced csafety crelief cvalve c- cCORRECT cANS✔✔C: cPilot-operated csafety crelief cvalve
How cmany ctest cblocks care crequired cfor cUT cprocedure ccalibration?
A: c2; c1 cat cthe cmaximum crange cand c1 cat cthe cminimum crange cto cbe cmeasured
B: c4; c2 cat cthe cmaximum crange cand c2 cat cthe cminimum crange cto cbe cmeasured
C: c6; c2 cat cthe cmaximum crange, c2 cat cthe cmid crange, cand c2 cat cthe cminimum crange cto cbe cme
D: c6: c1 cat cthe cmaximum crange c1 cat c3/4", c1 cat c5/8", c1 cat c1/2", cone cat c3/8" cand c1 cat cthe cmin
c- cCORRECT cANS✔✔A: c2; c1 cat cthe cmaximum crange cand c1 cat cthe cminimum crange cto cbe cme
When cperforming ca cweld crepair con ca csection cof cstainless-steel cweld coverlay con ca ccarbon-stee
cwhich cof cthe cfollowing cis cmost cimportant?
A: cMagnetic cparticle ctesting cof cthe coverlay
B: cBrinell chardness ctesting cof cthe coverlay
C: cOut-gassing cof cthe cbase cmetal
D: cImpact ctesting cof cthe cbase cmetal c- cCORRECT cANS✔✔C: cOut-gassing cof cthe cbase cmetal
If ca cwelder chas cqualified cin cthe cshielded cmetal carc cwelding, csubmerged carc cwelding, cand cgas
cprocesses cbut chas cwelded cin conly cone cof cthem, cqualification cfor cthe cother c2 cprocesses crema
A: cfor c6 cmonths
B: cfor c1 cyear
C: cfor c2 cyears
D: cIndefinitely c- cCORRECT cANS✔✔A: cfor c6 cmonths
One cpurpose cof creviewing cprevious cinspection creports cis cto censure cthat:
A: cEstimated ccorrosion crates cfor cnew cequipment care caccurate
B: cPressure crelief cvalves chave cbeen cinstalled cprior cto cplacing cthe cvessel cin cservice
C: cRequired cpressure ctests chave cbeen cpreformed
D: cThickness creadings chave cbeen ctaken cafter cevery c1,000 chours cof cservice c- cCORRECT cAN
crates cfor cnew cequipment care caccurate
A cVessel chas ca csingle ccorrosion crate cof c10 cmils cper cyear. cThe cminimum cvessel crequired cthic
cthe cheads cis c0.75". cThe cactual cthickness cof cthe cheads cis c0.95" cand cthe cshell cis c0.90". cWha
clife?
A: c7.5 cyears
B: c10 cyears
C: c15 cyears
D: c20 cyears c- cCORRECT cANS✔✔C: c15 cyears
(.90-.75)/.010=15
A cpressure cvessel chas cbeen cin cnon-continuous cservice cfor c15 cyears. cDuring cthis ctime, cit chas
cyears cat ca ctime, cthen cinternally cinspected. cThe clast cinternal cinspection cdetermined cthat cthe cv
,After can calteration cto ca cpressure cvessel, ca cnondestructive cexamination cprocedure cmay cbe csub
conly cwhen ca/an:
A: cAuthorized cinspector chas capproved cthe cNDE cprocedure
B: cPressure cvessel cengineer cand can cauthorized cpressure cvessel cinspector chave cbeen cconsult
C: cPressure cvessel cengineer cexperienced cin cpressure cvessel cdesign chas capproved cthe cNDE c
D: cPressure ctest cis cnot cpractical c- cCORRECT cANS✔✔B: cPressure cvessel cengineer cand can ca
cinspector chave cbeen cconsulted
A cplant cengineer cwould clike cto cincrease ca cvessel's coperating ctemp cby c100F. cThe cvessel's cna
callowable cworking cpressure cof c250 cPSIG cat c650F, cand cthe ccurrent coperating ctemp cis c600F. c
cincreasing cthe coperating ctemp?
A: cPerform ccalculations cto cdetermine cif cthe cvessel cthickness cis csufficient
B: cDetermine ca cnew ccorrosion crate cfor cthe cvessel
C: cperform can cinternal cinspection cof cthe cvessel
D: cDetermine cif cthe cpressure-relief cdevice cwill cbe csuitable cat cthe cnew ctemperature c- cCORREC
ccalculations cto cdetermine cif cthe cvessel cthickness cis csufficient
Following cthe calteration cof ca c2.5" cthick cvessel, ca chydrostatic ctest cis cperformed. cTo cminimize ct
cmetal ctemperature cduring chydrostatic ctests cshould cbe cat cleast:
A: c10F cabove cthe cminimum cdesign cmetal ctemperature
B: c30F cabove cthe cminimum cdesign cmetal ctemperature
C: c60F
D: c70F c- cCORRECT cANS✔✔B: c30F cabove cthe cminimum cdesign cmetal ctemperature
Vessels cinsulated ceffectively cto cpreclude cthe centrance cof cmoisture:
A: cmay chave cthe cexternal cinspection cextended cto ca cmaximum cof c10 cyears
B: cdo cnot cneed cto chave cinsulation cremoved cfor cthe cexternal cinspection
C: crequire ca cminimum cof cinsulation cremoved cto cfacilitate cthe ccorrosion cunder cinsulation cinspe
D: cmay csubstitute cacoustic cemission cexamination cin clieu cof cstripping cinsulation c- cCORRECT cA
chave cinsulation cremoved cfor cthe cexternal cinspection
A ccrack cin ca cvessel cat cthe ccone-to-cylinder cjuncture ccan cbe crepaired cwith capproval cby cthe cAP
cprovided cthat:
A: cThe cweld cis cfully cradiographed
B: cThe cweld cis cpostweld cheat-treated
C: cThe cweld cis cpostweld cheat-treated cand cfully cexamined cradiographically
D: cAn cengineer cexperienced cin cpressure cvessel cdesign cis cconsulted c- cCORRECT cANS✔✔D: c
cpressure cvessel cdesign cis cconsulted
Which cof cthe cfollowing cstatements cis ccorrect cwith cregard cto cthe cwelder's cqualifications cfor ca cm
crequested cby can cowner/operator?
A: cThe cwelder cmust cbe cqualified cfor cthe capplicable cprocess cby cthe ccompany cmaking cthe crepa
B: cA cwelder cwho cis can cemployee cof cthe cowner/operator cneed cnot cbe cformally cqualified
C: cThe cwelder cmust cbe cqualified cby can cASME-Code cshop, cand cbe ccurrent cin cthe cprocess cus
D: cThe cweld cmay cuse cany cqualified cprocedures cthat care cin caccordance cwith cthe cASME cCode
cANS✔✔A: cThe cwelder cmust cbe cqualified cfor cthe capplicable cprocess cby cthe ccompany cmaking
Materials cused cfor cmaking crepairs cshall cbe cof cknown cweldable cquality cand cshall: c
A: cBe ccompatible cwith cthe coriginal cmaterial
B: cBe cof cknown ctoughness
C: cHave ca cminimum ctensile cstrength cof c50,000 cpsi
D: cHave can cASTM cspecification cnumber c- cCORRECT cANS✔✔A: cBe ccompatible cwith cthe corig
The csprings cin cpressure-relief cvalves ctypically cfail cdue cto:
A: cTensile coverload
, C: cAt capprox ca c60 cdeg cangle cto ceach cother
D: cAt capprox cright cangles cto ceach cother c- cCORRECT cANS✔✔D: cAt capprox cright cangles cto ce
An cinspector cevaluating cthickness cmeasurements ctaken con ca cpressure cvessel cdiscovers cindica
cof cthe cmeasurement clocations. cThe cinspector cshould:
A: cCalculate ca cnew ccorrosion crate cfor cthe cvessel, cbased con cthe csingle clocation
B: cTake cmore cmeasurements cin cthe ccorroded carea, cto cdefine cthe cextent cof ccorrosion
C: cAsk cthat canother cinspector cretake cthe cmeasurement
D: cDisregard cthe csingle cmeasurement cbecause cthe cother cmeasurements cdo cnot cindicate ccorro
cTake cmore cmeasurements cin cthe ccorroded carea, cto cdefine cthe cextent cof ccorrosion
A cwelder cwho cfails ca cqualification ctesting con c6 cinches cof ca cproduction cplate cmay cbe cimmedia
A: cWelding ca c2inch cNPS cpipe cjoint cand chaving cradiographic ctesting cperformed.
B: cCutting cout cthe cbad cweld, cre-welding cthe csame c6 cinches, cand cthen cradiographically ctesting
C: cRadiographing can cadditional c12 cinches cof cthe cproduction cweld
D: cWelding ca c6-inch cplate ctest ccoupon cand chaving ca cmechanical cbend ctest cperformed. c- cCOR
cRadiographing can cadditional c12 cinches cof cthe cproduction cweld
3 cpressure cgauges care cinstalled cfor cconvenience cin cthe chydrostatic ctesting cof ca cpressure cves
cthe cvessel, cthe c2nd cis c45ft cfrom cthe ctop c(reading c169.5 cpsig) cand cthe c3rd cis c100ft cfrom cthe
cthe cvessel cis c125ft chigh, cwhat cis cthe cpressure cat cthe ctop? c[1 cfoot cof cwater c= c0.433 cpsi]
A: c140 cpsig
B: c150 cpsig
C: c189 cpsig
D: c204 cpsig c- cCORRECT cANS✔✔B: c150 cpsig
(.433) c(100) c43.3 c193.5-43.3= c150.2
Materials cused cin cwelded crepair cor calteration cof ca cpressure cvessel care cspecified cin cthe cASME
cmust chave ca ccarbon ccontent cnot cexceeding. c
A: c.25%
B: c.30%
C: c.35%
D: c.40% c- cCORRECT cANS✔✔C: c.35%
What ctype cof cpressure crelief cvalve chas ca cmain crelieving cvalve ccontrolled cby ca csmall cspring-lo
crelief cvalve?
A: cConventional csafety crelief cvalve
B: cRupture cdisk
C: cPilot-operated csafety crelief cvalve
D: cBalanced csafety crelief cvalve c- cCORRECT cANS✔✔C: cPilot-operated csafety crelief cvalve
How cmany ctest cblocks care crequired cfor cUT cprocedure ccalibration?
A: c2; c1 cat cthe cmaximum crange cand c1 cat cthe cminimum crange cto cbe cmeasured
B: c4; c2 cat cthe cmaximum crange cand c2 cat cthe cminimum crange cto cbe cmeasured
C: c6; c2 cat cthe cmaximum crange, c2 cat cthe cmid crange, cand c2 cat cthe cminimum crange cto cbe cme
D: c6: c1 cat cthe cmaximum crange c1 cat c3/4", c1 cat c5/8", c1 cat c1/2", cone cat c3/8" cand c1 cat cthe cmin
c- cCORRECT cANS✔✔A: c2; c1 cat cthe cmaximum crange cand c1 cat cthe cminimum crange cto cbe cme
When cperforming ca cweld crepair con ca csection cof cstainless-steel cweld coverlay con ca ccarbon-stee
cwhich cof cthe cfollowing cis cmost cimportant?
A: cMagnetic cparticle ctesting cof cthe coverlay
B: cBrinell chardness ctesting cof cthe coverlay
C: cOut-gassing cof cthe cbase cmetal
D: cImpact ctesting cof cthe cbase cmetal c- cCORRECT cANS✔✔C: cOut-gassing cof cthe cbase cmetal
