CWB
1. What mechanical test should be used to determine a welded joint's strength? a) A test of
the transverse weld tension b) A charpy test.
c) A CTOD examination d) A transverse weld tension test, an all-weld metal tension test,
and a side bend test (ANSa). 100. When applied to the GTAW procedure, the term "cleaning
action of the arc" refers to: a) Oxide extraction during welding b) Cleaning the weld area of
grease and dirt prior to welding. c) Inter pass cleaning of the weld.
d) Dipping the electrode in a chemical solvent to ensure cleanliness before welding.
e) periodic cleaning of the electrode tip - ANSa) Oxide removal during 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 in a vertical position at the 2G location. c) Welded at 45 degrees in the 5G
position. d) Welded at 45 degrees in the 6G position. e) Welded in the 4G flat position. -
ANSd) Welded in the 6G position at 45°.
102. Acetylene cannot be used safely at pressures greater than:
a) 103 Kpa, or 15 psi b) 172 Kpa, or 25 psi c) 310 Kpa (45 psi).
d) 552 Kpa (80 psi).
e) 15167 KPa, or 2200 psi; ANSa) 103 KPa, or 15 psi 103. The interpass temperature of a
single SMAW V-groove weld in quenched and tempered steel of 20 mm (3/4 in) thickness
cannot be greater than: a) 200°C (400°F).
b) 275°C (525°F).
c) 300oc (575°F).
d) 315°C (600°F).
e) 425°C, or 800°F; ANSa) 200°C, or 400°F. 104. Welding distortion will be more
noticeable: a) When preheat is used.
b) For single pass welding.
c) For multi pass welding
d) For welding thick plate than thin plate.
e) For multi-pass welding, if the arc travel speed is increased (ANSc). 105. The electrical
potential difference between the welding wire tip and the molten metal's surface is: a) The
welding current. b) The voltage of welding. c) Welding resistance.
d) The capacity for ionization e) if the arc travel speed is increased - ANSb) Welding
voltage.
106. Which one of the following statements is incorrect regarding welding inspectors
certified to CSA Standard W178.2?
a) Welding inspectors will lose their certification if they don't renew it by the deadline. 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) If welding inspectors fail to meet the renewal requirements, they will lose their certification
and must retake the entire exam in order to regain it. e) Welding inspectors who lose their
certification for failing to renew it - ANSe) Welding inspectors who lose their certification for
1. What mechanical test should be used to determine a welded joint's strength? a) A test of
the transverse weld tension b) A charpy test.
c) A CTOD examination d) A transverse weld tension test, an all-weld metal tension test,
and a side bend test (ANSa). 100. When applied to the GTAW procedure, the term "cleaning
action of the arc" refers to: a) Oxide extraction during welding b) Cleaning the weld area of
grease and dirt prior to welding. c) Inter pass cleaning of the weld.
d) Dipping the electrode in a chemical solvent to ensure cleanliness before welding.
e) periodic cleaning of the electrode tip - ANSa) Oxide removal during 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 in a vertical position at the 2G location. c) Welded at 45 degrees in the 5G
position. d) Welded at 45 degrees in the 6G position. e) Welded in the 4G flat position. -
ANSd) Welded in the 6G position at 45°.
102. Acetylene cannot be used safely at pressures greater than:
a) 103 Kpa, or 15 psi b) 172 Kpa, or 25 psi c) 310 Kpa (45 psi).
d) 552 Kpa (80 psi).
e) 15167 KPa, or 2200 psi; ANSa) 103 KPa, or 15 psi 103. The interpass temperature of a
single SMAW V-groove weld in quenched and tempered steel of 20 mm (3/4 in) thickness
cannot be greater than: a) 200°C (400°F).
b) 275°C (525°F).
c) 300oc (575°F).
d) 315°C (600°F).
e) 425°C, or 800°F; ANSa) 200°C, or 400°F. 104. Welding distortion will be more
noticeable: a) When preheat is used.
b) For single pass welding.
c) For multi pass welding
d) For welding thick plate than thin plate.
e) For multi-pass welding, if the arc travel speed is increased (ANSc). 105. The electrical
potential difference between the welding wire tip and the molten metal's surface is: a) The
welding current. b) The voltage of welding. c) Welding resistance.
d) The capacity for ionization e) if the arc travel speed is increased - ANSb) Welding
voltage.
106. Which one of the following statements is incorrect regarding welding inspectors
certified to CSA Standard W178.2?
a) Welding inspectors will lose their certification if they don't renew it by the deadline. 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) If welding inspectors fail to meet the renewal requirements, they will lose their certification
and must retake the entire exam in order to regain it. e) Welding inspectors who lose their
certification for failing to renew it - ANSe) Welding inspectors who lose their certification for
