CWB Level 2 Welding Inspector Exam |
100+ Questions and Answers Rated A+ |
2026/2027 Guide
1. Which of the following combinations of gases may be used for flame
cutting of ferrous materials?
a) Air-acetylene.
b) Oxygen-butane.
c) Nitrogen-acetylene.
d) Oxygen-acetylene.
e) Natural gas. - Correct Answer - d) Oxygen-acetylene.
2. Which of the following statements is false regarding the radiographic
examination of welds?
a) Both slag and tungsten inclusions appear on a radiograph as dark
areas.
b) Porosity or gas pockets in a weld show on the radiograph as a round
or slightly elongated dark spots. c) Internal cracks appear as fine dark
lines, either straight or irregular.
d) Weld spatter would look like scattered, light colored spots.
e) Incomplete penetration will show a straight, dark colored line at or
near the weld centre-line.
,- Correct Answer - a) Both slag and tungsten inclusions appear on a
radiograph as dark areas.
3. The use of stress relief to control welding distortion is:
a) Always used.
b) Never used.
c) Always used after machining operations.
d) Not used except in special circumstances.
e) Used only on longitudinal members.
- Correct Answer - d) Not used except in special circumstances.
4. Two steel plates each 8 mm thick are to be welded together. One
plate has 2 bevels cut onto the edge to be welded and the other plate is
left square. This weld would be identified as
a) Single bevel groove weld.
b) Double bevel groove weld.
c) Single vee groove weld.
d) Double vee groove weld.
e) Flare bevel groove weld. - Correct Answer - a) Single bevel groove
weld.
5. Arc blow is a phenomenon encountered when welding with what type
of power source?
,a) AC
b) DC
c) AC with high frequency d) Inverters
e) All of the above - Correct Answer - b) DC
6. From the welding problems identified below which one of the five does
not fit the pattern established by the other four?
a) Insufficient throat'.
b) Incorrect bevel angle.
c) Loss of shielding gas.
d) Improper fit up.
e) Use of wrong consumable. - Correct Answer - a) Insufficient throat
7. For the GTAW process an electrode can carry much higher current
without overheating when it is used on:
a) DCRP.
B) material type and group
C) carbon content
d) Welding parameters.
e) Coating thickness. - Correct Answer - B) material type and group
, 9. In the choices given below, metallographic tests would be the least
informative with regard to the: a) Presence of the non-metallic inclusions.
b Grain structure in the weld and fusion zone.
c) Ability of the material to withstand repeated fluctuating loads
d) Extent and structure of the heat affected zone.
e) Number of weld passes.
- Correct Answer - c) Ability of the material to withstand repeated
fluctuating loads
10. With the appropriate electrode, which of the following welding
processes can operate with or without a shielding gas:
a) Electrogas welding process.
b) Gas metal arc welding process.
c) Flux cored arc welding process.
d) Submerged arc welding process.
e) Pulsed gas metal arc welding process. - Correct Answer - c) Flux
cored arc welding process.
11. Which of the following is a stainless steel electrode?
a) E4918-1
b) E4918-A1
c) E4818
d) E308-16
100+ Questions and Answers Rated A+ |
2026/2027 Guide
1. Which of the following combinations of gases may be used for flame
cutting of ferrous materials?
a) Air-acetylene.
b) Oxygen-butane.
c) Nitrogen-acetylene.
d) Oxygen-acetylene.
e) Natural gas. - Correct Answer - d) Oxygen-acetylene.
2. Which of the following statements is false regarding the radiographic
examination of welds?
a) Both slag and tungsten inclusions appear on a radiograph as dark
areas.
b) Porosity or gas pockets in a weld show on the radiograph as a round
or slightly elongated dark spots. c) Internal cracks appear as fine dark
lines, either straight or irregular.
d) Weld spatter would look like scattered, light colored spots.
e) Incomplete penetration will show a straight, dark colored line at or
near the weld centre-line.
,- Correct Answer - a) Both slag and tungsten inclusions appear on a
radiograph as dark areas.
3. The use of stress relief to control welding distortion is:
a) Always used.
b) Never used.
c) Always used after machining operations.
d) Not used except in special circumstances.
e) Used only on longitudinal members.
- Correct Answer - d) Not used except in special circumstances.
4. Two steel plates each 8 mm thick are to be welded together. One
plate has 2 bevels cut onto the edge to be welded and the other plate is
left square. This weld would be identified as
a) Single bevel groove weld.
b) Double bevel groove weld.
c) Single vee groove weld.
d) Double vee groove weld.
e) Flare bevel groove weld. - Correct Answer - a) Single bevel groove
weld.
5. Arc blow is a phenomenon encountered when welding with what type
of power source?
,a) AC
b) DC
c) AC with high frequency d) Inverters
e) All of the above - Correct Answer - b) DC
6. From the welding problems identified below which one of the five does
not fit the pattern established by the other four?
a) Insufficient throat'.
b) Incorrect bevel angle.
c) Loss of shielding gas.
d) Improper fit up.
e) Use of wrong consumable. - Correct Answer - a) Insufficient throat
7. For the GTAW process an electrode can carry much higher current
without overheating when it is used on:
a) DCRP.
B) material type and group
C) carbon content
d) Welding parameters.
e) Coating thickness. - Correct Answer - B) material type and group
, 9. In the choices given below, metallographic tests would be the least
informative with regard to the: a) Presence of the non-metallic inclusions.
b Grain structure in the weld and fusion zone.
c) Ability of the material to withstand repeated fluctuating loads
d) Extent and structure of the heat affected zone.
e) Number of weld passes.
- Correct Answer - c) Ability of the material to withstand repeated
fluctuating loads
10. With the appropriate electrode, which of the following welding
processes can operate with or without a shielding gas:
a) Electrogas welding process.
b) Gas metal arc welding process.
c) Flux cored arc welding process.
d) Submerged arc welding process.
e) Pulsed gas metal arc welding process. - Correct Answer - c) Flux
cored arc welding process.
11. Which of the following is a stainless steel electrode?
a) E4918-1
b) E4918-A1
c) E4818
d) E308-16
