OVERALL ASNT LEVEL II EXAM | QUE
m m m m m m
STIONS & ANSWERS (VERIFIED) | LAT
m m m m m
EST UPDATE | GRADED A+
m m m m
SMAW
CorrectmAnswer: Stickmwelding;mShieldmmetalmarcmwelding
GMAW
CorrectmAnswer: MIG;mgasmmetal marcmwelding
FCAW
CorrectmAnswer: fluxmcoredmarcmwelding
GTAW
CorrectmAnswer: TIG;mgasmtungsten marcmwelding
OFW
CorrectmAnswer: oxymfuel mwelding
themthreemtypesmof mcurrentsmthatmcan mbemusedmwhilemwelding
1
,CorrectmAnswer: DirectmCurrentmElectrodemNegative;mDirectmCurrentmElectrode
Positive;mAlternatingmCurrent
StraightmPolarity
CorrectmAnswer: DCEN;mdirectmcurrentmelectrodemnegative
ReversemPolarity
CorrectmAnswer: Directmcurrentmelectrodempositive;mDCEP
Currentmtypemdependsmon formMIGmandmTIGmand formSMAW
CorrectmAnswer: MIGmandmTIGmdependmon mtypemof mmetalmbeingmwelded;mSMAW
dependsmon mwhatmtypemof melectrodemyou maremusing
Mostmcommon mSMAWmelectrodemtypesmused
CorrectmAnswer: E6010mandmE7018
WhatmcurrentmtypemdomE6010mandmE7019mformSMAWmuse
CorrectmAnswer: DCEP
Whatmtypemof mcurrentmismusedmformGMAWm(MIG)mof msteel
CorrectmAnswer: DCEP
WhatmtypemcurrentmismusedmformGTAWmwhen mweldingmstainlessmsteel mandmcarbon msteel
2
,CorrectmAnswer: DCEN
Whatmdoesmeach mnumbermstandmformin mSMAWmelectrodes:
E60XXm=
EXX1X=
EXXX0=
CorrectmAnswer: E60XX=mtensilemstrength m(ksi)
EXX1X=mposition;m1mismallmpositions
EXXX0=mchemical mcompmof mthemfluxmcoatingmof mfillermmetal
How mdoesmSMAWm(stick)mwork?
CorrectmAnswer: Setmamps,mattach monemleadmtomworkmpiece,mothermleadmhasmhandle,
andmcompletemthemcircuit.mArcmmeltsmthembasemmetalmandmfillermmetalmsimultaneously
In mSMAWmwhatmtemperaturemcan mthemarcmreach?
CorrectmAnswer: 10,000mF
In mSMAWmwhatmcreatesmthemshieldmthatmprotectsmthemweldmpuddlemfrommbondingmwith
elementsmin mthematmosphere?
CorrectmAnswer: Fluxmcoatingmaroundmthemelectrode
Whatmelementsmdomwemneedmtomkeepmawaymfrommthemmolten mmetal?
3
, CorrectmAnswer: Oxygen m(will mcreatemporositymormvoids)mandmHydrogen m(will mmakemthe
metalmbrittlemandmcausemHydrogen mcracking)
How mdoesmthemslagmthatmismnotmburnedmintomshieldmgasmoperate?
CorrectmAnswer: Itmmeltsmintomthemweldmpuddle,mrisesmtomthemsurface,mandmhardensmon
topmof mthemweld.mItmneedsmtombemremoved
Which mprocessesmhavemslag?
CorrectmAnswer: SMAW,mFCAW
How mdoesmFCAWmdiffermfrommGMAW?
CorrectmAnswer: TheymaremthemsamemprocessmexceptmFCAWmusesmamtubularmwiremfilled
with mfluxmandmrequiresmnomexternal mshieldingmgasmsource
Describemhow mGMAWmworks.
CorrectmAnswer: Semi-automaticmprocessmwith mtwomleadsm(gun mandmground);mwhen
gun mismsqueezedmelectricitymflowsmandmfillermwiremismfed.
Whatmaremthempartsmof mamGMAWmgun?
CorrectmAnswer: Handle,mtrigger,mandmnozzle
Whatmtypemof mfillermwiremismfedmin mGMAW?
CorrectmAnswer: Solidmwiremtype
4
m m m m m m
STIONS & ANSWERS (VERIFIED) | LAT
m m m m m
EST UPDATE | GRADED A+
m m m m
SMAW
CorrectmAnswer: Stickmwelding;mShieldmmetalmarcmwelding
GMAW
CorrectmAnswer: MIG;mgasmmetal marcmwelding
FCAW
CorrectmAnswer: fluxmcoredmarcmwelding
GTAW
CorrectmAnswer: TIG;mgasmtungsten marcmwelding
OFW
CorrectmAnswer: oxymfuel mwelding
themthreemtypesmof mcurrentsmthatmcan mbemusedmwhilemwelding
1
,CorrectmAnswer: DirectmCurrentmElectrodemNegative;mDirectmCurrentmElectrode
Positive;mAlternatingmCurrent
StraightmPolarity
CorrectmAnswer: DCEN;mdirectmcurrentmelectrodemnegative
ReversemPolarity
CorrectmAnswer: Directmcurrentmelectrodempositive;mDCEP
Currentmtypemdependsmon formMIGmandmTIGmand formSMAW
CorrectmAnswer: MIGmandmTIGmdependmon mtypemof mmetalmbeingmwelded;mSMAW
dependsmon mwhatmtypemof melectrodemyou maremusing
Mostmcommon mSMAWmelectrodemtypesmused
CorrectmAnswer: E6010mandmE7018
WhatmcurrentmtypemdomE6010mandmE7019mformSMAWmuse
CorrectmAnswer: DCEP
Whatmtypemof mcurrentmismusedmformGMAWm(MIG)mof msteel
CorrectmAnswer: DCEP
WhatmtypemcurrentmismusedmformGTAWmwhen mweldingmstainlessmsteel mandmcarbon msteel
2
,CorrectmAnswer: DCEN
Whatmdoesmeach mnumbermstandmformin mSMAWmelectrodes:
E60XXm=
EXX1X=
EXXX0=
CorrectmAnswer: E60XX=mtensilemstrength m(ksi)
EXX1X=mposition;m1mismallmpositions
EXXX0=mchemical mcompmof mthemfluxmcoatingmof mfillermmetal
How mdoesmSMAWm(stick)mwork?
CorrectmAnswer: Setmamps,mattach monemleadmtomworkmpiece,mothermleadmhasmhandle,
andmcompletemthemcircuit.mArcmmeltsmthembasemmetalmandmfillermmetalmsimultaneously
In mSMAWmwhatmtemperaturemcan mthemarcmreach?
CorrectmAnswer: 10,000mF
In mSMAWmwhatmcreatesmthemshieldmthatmprotectsmthemweldmpuddlemfrommbondingmwith
elementsmin mthematmosphere?
CorrectmAnswer: Fluxmcoatingmaroundmthemelectrode
Whatmelementsmdomwemneedmtomkeepmawaymfrommthemmolten mmetal?
3
, CorrectmAnswer: Oxygen m(will mcreatemporositymormvoids)mandmHydrogen m(will mmakemthe
metalmbrittlemandmcausemHydrogen mcracking)
How mdoesmthemslagmthatmismnotmburnedmintomshieldmgasmoperate?
CorrectmAnswer: Itmmeltsmintomthemweldmpuddle,mrisesmtomthemsurface,mandmhardensmon
topmof mthemweld.mItmneedsmtombemremoved
Which mprocessesmhavemslag?
CorrectmAnswer: SMAW,mFCAW
How mdoesmFCAWmdiffermfrommGMAW?
CorrectmAnswer: TheymaremthemsamemprocessmexceptmFCAWmusesmamtubularmwiremfilled
with mfluxmandmrequiresmnomexternal mshieldingmgasmsource
Describemhow mGMAWmworks.
CorrectmAnswer: Semi-automaticmprocessmwith mtwomleadsm(gun mandmground);mwhen
gun mismsqueezedmelectricitymflowsmandmfillermwiremismfed.
Whatmaremthempartsmof mamGMAWmgun?
CorrectmAnswer: Handle,mtrigger,mandmnozzle
Whatmtypemof mfillermwiremismfedmin mGMAW?
CorrectmAnswer: Solidmwiremtype
4
