API RP 577 PRACTICE QUESTIONS
WITH CORRECT ANSWERS
API .577_______ .for .the .training .and .experience .required .to .be .an .American .Welding .Society .Certifie
d .Welding .Inspector(CWI) .- .(correct .answer) .-is .not .a .replacement
API .577______ .all .welds .to .be .inspected. .- .(correct .answer) .-does .not .require
Who .determines .the .welds .to .be .inspected?? .- .(correct .answer) .-
Welding .inspectors .and/or .engineers
Who .should .be .consulted .on .any .critical ., .specialized .or .complex .welding .issues? .- .
(correct .answer) .-A .welding .engineer
Three .of .the .items .listed .below .are .welding .inspection .activities .that .can .be .separated .into .three .st
ages .corresponding .to .the .welding .work .process. .Which .one .does .not .belong?? .- .(correct .answer) .-
Tasks .in .selecting .personnel
Which .of .the .basic .arc .welding .processes .is .the .most .widely .used? .- .(correct .answer) .-SMAW
How .is .shielding .provided .for .the .arc .when .using .a .consumable .covered .electrode .in .shielded .metal
.- .(correct .answer) .-Shielding .is .provided .from .the .decomposition .of .the .electrode .covering
What .are .some .disadvantages .or .limitations .of .shielded .metal .arc .welding? .- .(correct .answer) .-
Deposition .rates .are .low .and .slag .must .be .removed .at .stops .and .starts.
What .does .the .DCEN .stand .for .when .used .to .describe .the .GTAW .weld .process? .- .(correct .answer) .-
DCEN .stands .for .direct .current .electrode-negative ..
What .are .some .of .the .advantages .to .gas .tungsten .arc .welding .? .- .(correct .answer) .-It .produces .high
.purity .welds .and .it .allows .for .excellent .control .of .root .pass .weld .penetration.
What .is .a .welding .process .that .produces .fast .a .freezing .weld .pool .and .is .generally .suited .for .joining
.thin .sections .or .root .passes. .- .(correct .answer) .-GMAW-S
What .type .of .weld .process .normally .employs .a .semiautomatic .mode .and .depends .on .a .flux .from .a .
tubular .electrode .that .contains .a .shielding .gas .from .an .externally .supplied .gas? .- .(correct .answer) .-
FCAW
, What .type .of .welding .is .used .extensively .in .shop .pressure .vessel .fabrication .and .pipe .manufacturing
? .- .(correct .answer) .-SAW
What .type .of .welding .process .is .predominantly .limited .to .welding .insulation .and .refractory .support .
pins .to .tanks, .pressure .vessels .and .heater .casings? .- .(correct .answer) .-SW
What .is .the .definition .of .non-destructive .examination? .- .(correct .answer) .-
It .is .inspection .methods,which .allow .materials .to .be .examined .without .changing .or .destroying .their .
usefulness.
What .are .the .most .commonly .used .NDE .methods .used .during .weld .inspection .? .NOTE: .SELECT .THE .
ANSWER .THAT .HAS .ALL .THE .CORRECT .METHODS!!!! .- .(correct .answer) .-
VT, .MT, .WFMT, .PT, .LT, .ET, .RT, .UT, .ACFM.
Where .would .you .look .for .slag .inclusion .discontinuities? .- .(correct .answer) .-
Weld .metal .zone .and .weld .interface.
Which .NDE .method .is .the .most .acceptable .for .a .lap .joint .? .- .(correct .answer) .-PT
What .is .the .most .capable .NDE .method .for .finding .a .discontinuity .such .as .incomplete .fusion .in .a .joi
nt .? .- .(correct .answer) .-UT
When .welding .carbon .steel, .what .is .the .major .cause .of .lack .of .fusion .in .all .welding .processes? .- .
(correct .answer) .-improper .heat .input .and .improper .welding .technique.
When .welding .stainless .steel .what .would .cause .porosity .in .the .weld? .- .(correct .answer) .-
Improper .shielding, .not .using .a .low .hydrogen .electrode, .& .welding .in .a .high .sulfur .area.
When .welding .stainless .steel, .what .is .the .cause .of .undercut? .- .(correct .answer) .-fast .travel .speed.
When .welding .carbon .steel, .how .would .you .control .burn .through? .- .(correct .answer) .-
use .proper .heat .input
The .Alternating .Current .Field .Measurement .(ACFM) .technique .is .an .electromagnetic .non-
contacting .technique .that .is .able .to .detect .and .size .surface .breaking .defects .in .a .range .of .different .
materials .and .through .coatings .of .varying .thickness. .This .technique .is .ideal .for .inspecting: .- .
(correct .answer) .-Nozzles, .ring-grooves .and .grind-out .areas .or .radii.
What .is .the .maximum .temperature .that .ACFM .may .be .used? .- .(correct .answer) .-900 .F
What .are .the .2 .typical .radioactive .isotopes .used .for .radiography? .- .(correct .answer) .-
Iridium .192 .or .Cobalt .60
What .is .the .normal .developing .time .for .radiographic .film .at .68 .F? .- .(correct .answer) .-
5 .to .8 .minutes
WITH CORRECT ANSWERS
API .577_______ .for .the .training .and .experience .required .to .be .an .American .Welding .Society .Certifie
d .Welding .Inspector(CWI) .- .(correct .answer) .-is .not .a .replacement
API .577______ .all .welds .to .be .inspected. .- .(correct .answer) .-does .not .require
Who .determines .the .welds .to .be .inspected?? .- .(correct .answer) .-
Welding .inspectors .and/or .engineers
Who .should .be .consulted .on .any .critical ., .specialized .or .complex .welding .issues? .- .
(correct .answer) .-A .welding .engineer
Three .of .the .items .listed .below .are .welding .inspection .activities .that .can .be .separated .into .three .st
ages .corresponding .to .the .welding .work .process. .Which .one .does .not .belong?? .- .(correct .answer) .-
Tasks .in .selecting .personnel
Which .of .the .basic .arc .welding .processes .is .the .most .widely .used? .- .(correct .answer) .-SMAW
How .is .shielding .provided .for .the .arc .when .using .a .consumable .covered .electrode .in .shielded .metal
.- .(correct .answer) .-Shielding .is .provided .from .the .decomposition .of .the .electrode .covering
What .are .some .disadvantages .or .limitations .of .shielded .metal .arc .welding? .- .(correct .answer) .-
Deposition .rates .are .low .and .slag .must .be .removed .at .stops .and .starts.
What .does .the .DCEN .stand .for .when .used .to .describe .the .GTAW .weld .process? .- .(correct .answer) .-
DCEN .stands .for .direct .current .electrode-negative ..
What .are .some .of .the .advantages .to .gas .tungsten .arc .welding .? .- .(correct .answer) .-It .produces .high
.purity .welds .and .it .allows .for .excellent .control .of .root .pass .weld .penetration.
What .is .a .welding .process .that .produces .fast .a .freezing .weld .pool .and .is .generally .suited .for .joining
.thin .sections .or .root .passes. .- .(correct .answer) .-GMAW-S
What .type .of .weld .process .normally .employs .a .semiautomatic .mode .and .depends .on .a .flux .from .a .
tubular .electrode .that .contains .a .shielding .gas .from .an .externally .supplied .gas? .- .(correct .answer) .-
FCAW
, What .type .of .welding .is .used .extensively .in .shop .pressure .vessel .fabrication .and .pipe .manufacturing
? .- .(correct .answer) .-SAW
What .type .of .welding .process .is .predominantly .limited .to .welding .insulation .and .refractory .support .
pins .to .tanks, .pressure .vessels .and .heater .casings? .- .(correct .answer) .-SW
What .is .the .definition .of .non-destructive .examination? .- .(correct .answer) .-
It .is .inspection .methods,which .allow .materials .to .be .examined .without .changing .or .destroying .their .
usefulness.
What .are .the .most .commonly .used .NDE .methods .used .during .weld .inspection .? .NOTE: .SELECT .THE .
ANSWER .THAT .HAS .ALL .THE .CORRECT .METHODS!!!! .- .(correct .answer) .-
VT, .MT, .WFMT, .PT, .LT, .ET, .RT, .UT, .ACFM.
Where .would .you .look .for .slag .inclusion .discontinuities? .- .(correct .answer) .-
Weld .metal .zone .and .weld .interface.
Which .NDE .method .is .the .most .acceptable .for .a .lap .joint .? .- .(correct .answer) .-PT
What .is .the .most .capable .NDE .method .for .finding .a .discontinuity .such .as .incomplete .fusion .in .a .joi
nt .? .- .(correct .answer) .-UT
When .welding .carbon .steel, .what .is .the .major .cause .of .lack .of .fusion .in .all .welding .processes? .- .
(correct .answer) .-improper .heat .input .and .improper .welding .technique.
When .welding .stainless .steel .what .would .cause .porosity .in .the .weld? .- .(correct .answer) .-
Improper .shielding, .not .using .a .low .hydrogen .electrode, .& .welding .in .a .high .sulfur .area.
When .welding .stainless .steel, .what .is .the .cause .of .undercut? .- .(correct .answer) .-fast .travel .speed.
When .welding .carbon .steel, .how .would .you .control .burn .through? .- .(correct .answer) .-
use .proper .heat .input
The .Alternating .Current .Field .Measurement .(ACFM) .technique .is .an .electromagnetic .non-
contacting .technique .that .is .able .to .detect .and .size .surface .breaking .defects .in .a .range .of .different .
materials .and .through .coatings .of .varying .thickness. .This .technique .is .ideal .for .inspecting: .- .
(correct .answer) .-Nozzles, .ring-grooves .and .grind-out .areas .or .radii.
What .is .the .maximum .temperature .that .ACFM .may .be .used? .- .(correct .answer) .-900 .F
What .are .the .2 .typical .radioactive .isotopes .used .for .radiography? .- .(correct .answer) .-
Iridium .192 .or .Cobalt .60
What .is .the .normal .developing .time .for .radiographic .film .at .68 .F? .- .(correct .answer) .-
5 .to .8 .minutes
