WX-003 – Welding Inspection, Metallurgy &
NDE Practice Questions and Answers –
Comprehensive Exam Study Set (2025)
1.To measure the strength of a welded joint what mechanical test would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. - a) A transverse weld tension
test✅✅✅
100. The term "cleaning action of the arc" when used with the GTAW process refers to:
a) Oxide removal while welding.
b) Removing grease & dirt from the weld area before welding is started.
c) Inter pass cleaning of the weld.
d) Dipping the electrode in a chemical solvent to ensure cleanliness before welding.
e) cleaning the electrode tip periodically. - a) Oxide removal while welding.✅✅✅
101. From the choices below, which one is correct with regard to a qualification test on a pipe
assembly: a) Welded horizontally at the 3G position.
b) Welded vertically at the 2G position.
c) Welded in the 5G position at 45°.
d) Welded in the 6G position at 45°.
e) Welded in the 4G flat position. - d) Welded in the 6G position at 45°.✅✅✅
102. Acetylene cannot be used safely at pressures greater than:
a) 103 Kpa (15 psi).
b) 172 Kpa (25 psi).
c) 310 Kpa (45 psi).
d) 552 Kpa (80 psi).
e) 15167 KPa (2200 psi). - a) 103 Kpa (15 psi).✅✅✅
103. A single V-groove weld made with the SMAW process in 20 mm (3/4 in) thick
quenched and tempered steel must not have an interpass temperature higher than:
a) 200°C (400°F).
,b) 275°C (525°F).
c) 300oc (575°F).
d) 315°C (600°F).
e) 425oC (800°F). - a) 200°C (400°F).✅✅✅
104. Distortion from welding will be more pronounced:
a) When preheat is used.
b) For single pass welding.
c) For multi pass welding
d) For welding thick plate than thin plate.
e) If the arc travel speed is increased. - c) For multi pass welding✅✅✅
105. The difference in electrical potential between the surface of the molten metal and the tip
of the welding wire is:
a) Welding amperage.
b) Welding voltage.
c) Welding resistance.
d) Ionization potential.
e) if the arc travel speed is increased - b) Welding voltage.✅✅✅
106. Which one of the following statements is incorrect regarding welding inspectors
certified to CSA Standard W178.2?
a) Welding inspectors who do not renew their certification on or before their expiry date
shall be decertified.
b) Welding inspectors who do not rewrite their standard I code exam at the intervals specified
by W178.2 shall be decertified if they have a single standard I code endorsement.
c) Welding inspectors who have more than one standard I code exam accreditation shall lose
the accreditation if they do not complete the mandatory rewrite requirement for that standard
I code at the intervals specified by CSA W178.2
d) Welding inspectors who fail to meet the renewal requirements shall be decertified and
shall be subject to rewrite of the entire examination should they wish to regain their
certification
e) Welding inspectors who lose their certification due to failure to renew their certification -
e) Welding inspectors who lose their certification due to failure to renew their certification
before the expiry date are required to submit their renewal forms and fee and rewrite the
standard code examination✅✅✅
, 107. Which one of the choices below would be the best one to help reduce excessive arc blow
with SMAW welding ?
a) Switch from AC current to DC current.
b) Switch from DC negative to DC positive
c) Switch to AC current from DC current
d) Arc blow does not occur with SMAW welding.
e) Switch to a different electrode. - c) Switch to AC current from DC current✅✅✅
109. Which of the following would be a typical gas(s) used in the plasma cutting of carbon
steels?
a) Nitrogen & oxygen
b) Oxygen-acetylene.
c) Argon.
d) 75% -25% argon-helium mix. - c) Argon.✅✅✅11. Which of the following is a
stainless steel electrode?
a) E4918-1
b) E4918-A1
c) E4818
d) E308-16
e) E4111 - d) E308-16✅✅✅
110. Where would a hole type penetrameter be placed when radiographing a 19 mm thick vee
groove weld?
a) On the source side.
b) On the film side.
c) Across the weld.
D) On the source side near one end of the film.
E) On the film side near the centre of the file. - D) On the source side near one end of the
film.✅✅✅
111. The three basic arc welds are:
a) Groove, fillet, tee.
b) Butt, groove, plug
c) Fillet, groove, plug?
d) Butt, tee, lap.
e) Groove, tee, plug. - c) Fillet, groove, plug?✅✅✅
NDE Practice Questions and Answers –
Comprehensive Exam Study Set (2025)
1.To measure the strength of a welded joint what mechanical test would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. - a) A transverse weld tension
test✅✅✅
100. The term "cleaning action of the arc" when used with the GTAW process refers to:
a) Oxide removal while welding.
b) Removing grease & dirt from the weld area before welding is started.
c) Inter pass cleaning of the weld.
d) Dipping the electrode in a chemical solvent to ensure cleanliness before welding.
e) cleaning the electrode tip periodically. - a) Oxide removal while welding.✅✅✅
101. From the choices below, which one is correct with regard to a qualification test on a pipe
assembly: a) Welded horizontally at the 3G position.
b) Welded vertically at the 2G position.
c) Welded in the 5G position at 45°.
d) Welded in the 6G position at 45°.
e) Welded in the 4G flat position. - d) Welded in the 6G position at 45°.✅✅✅
102. Acetylene cannot be used safely at pressures greater than:
a) 103 Kpa (15 psi).
b) 172 Kpa (25 psi).
c) 310 Kpa (45 psi).
d) 552 Kpa (80 psi).
e) 15167 KPa (2200 psi). - a) 103 Kpa (15 psi).✅✅✅
103. A single V-groove weld made with the SMAW process in 20 mm (3/4 in) thick
quenched and tempered steel must not have an interpass temperature higher than:
a) 200°C (400°F).
,b) 275°C (525°F).
c) 300oc (575°F).
d) 315°C (600°F).
e) 425oC (800°F). - a) 200°C (400°F).✅✅✅
104. Distortion from welding will be more pronounced:
a) When preheat is used.
b) For single pass welding.
c) For multi pass welding
d) For welding thick plate than thin plate.
e) If the arc travel speed is increased. - c) For multi pass welding✅✅✅
105. The difference in electrical potential between the surface of the molten metal and the tip
of the welding wire is:
a) Welding amperage.
b) Welding voltage.
c) Welding resistance.
d) Ionization potential.
e) if the arc travel speed is increased - b) Welding voltage.✅✅✅
106. Which one of the following statements is incorrect regarding welding inspectors
certified to CSA Standard W178.2?
a) Welding inspectors who do not renew their certification on or before their expiry date
shall be decertified.
b) Welding inspectors who do not rewrite their standard I code exam at the intervals specified
by W178.2 shall be decertified if they have a single standard I code endorsement.
c) Welding inspectors who have more than one standard I code exam accreditation shall lose
the accreditation if they do not complete the mandatory rewrite requirement for that standard
I code at the intervals specified by CSA W178.2
d) Welding inspectors who fail to meet the renewal requirements shall be decertified and
shall be subject to rewrite of the entire examination should they wish to regain their
certification
e) Welding inspectors who lose their certification due to failure to renew their certification -
e) Welding inspectors who lose their certification due to failure to renew their certification
before the expiry date are required to submit their renewal forms and fee and rewrite the
standard code examination✅✅✅
, 107. Which one of the choices below would be the best one to help reduce excessive arc blow
with SMAW welding ?
a) Switch from AC current to DC current.
b) Switch from DC negative to DC positive
c) Switch to AC current from DC current
d) Arc blow does not occur with SMAW welding.
e) Switch to a different electrode. - c) Switch to AC current from DC current✅✅✅
109. Which of the following would be a typical gas(s) used in the plasma cutting of carbon
steels?
a) Nitrogen & oxygen
b) Oxygen-acetylene.
c) Argon.
d) 75% -25% argon-helium mix. - c) Argon.✅✅✅11. Which of the following is a
stainless steel electrode?
a) E4918-1
b) E4918-A1
c) E4818
d) E308-16
e) E4111 - d) E308-16✅✅✅
110. Where would a hole type penetrameter be placed when radiographing a 19 mm thick vee
groove weld?
a) On the source side.
b) On the film side.
c) Across the weld.
D) On the source side near one end of the film.
E) On the film side near the centre of the file. - D) On the source side near one end of the
film.✅✅✅
111. The three basic arc welds are:
a) Groove, fillet, tee.
b) Butt, groove, plug
c) Fillet, groove, plug?
d) Butt, tee, lap.
e) Groove, tee, plug. - c) Fillet, groove, plug?✅✅✅
