CWB WELDING INSPECTOR LEVEL 2 EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026 |INSTANT DOWNLOAD PDF
1. What is the primary role of a welding inspector?
A. To perform welding operations
B. To ensure weld quality meets standards
C. To design welding structures
D. To supply welding materials
Rationale: Welding inspectors verify compliance with codes,
standards, and specifications.
Answer: B. To ensure weld quality meets standards
2. Which document outlines welding requirements for a
project?
A. Safety manual
B. Welding Procedure Specification (WPS)
C. Inspection checklist
D. Work order
Rationale: A WPS provides detailed instructions for welding
operations.
Answer: B. Welding Procedure Specification (WPS)
,3. What does PQR stand for?
A. Procedure Qualification Record
B. Production Quality Report
C. Performance Qualification Record
D. Process Quality Review
Rationale: PQR documents the actual test results supporting a
WPS.
Answer: A. Procedure Qualification Record
4. Which inspection method uses sound waves?
A. Radiographic Testing
B. Magnetic Particle Testing
C. Ultrasonic Testing
D. Dye Penetrant Testing
Rationale: Ultrasonic testing uses high-frequency sound waves
to detect flaws.
Answer: C. Ultrasonic Testing
5. What is the purpose of preheating before welding?
A. Improve weld appearance
B. Reduce residual stresses
C. Increase welding speed
D. Change metal color
,Rationale: Preheating minimizes thermal shock and cracking.
Answer: B. Reduce residual stresses
6. Which defect appears as a groove at the weld toe?
A. Porosity
B. Undercut
C. Slag inclusion
D. Crack
Rationale: Undercut is a groove melted into the base metal.
Answer: B. Undercut
7. What is the main function of flux in welding?
A. Increase temperature
B. Shield molten metal from contamination
C. Strengthen weld
D. Reduce welding time
Rationale: Flux protects the weld pool from atmospheric
contamination.
Answer: B. Shield molten metal from contamination
8. Which welding process uses a consumable electrode with
flux coating?
, A. TIG
B. MIG
C. SMAW
D. FCAW
Rationale: Shielded Metal Arc Welding uses a coated electrode.
Answer: C. SMAW
9. What type of discontinuity is caused by trapped gas?
A. Crack
B. Porosity
C. Inclusion
D. Undercut
Rationale: Gas trapped in the weld creates porosity.
Answer: B. Porosity
10. What is the purpose of post-weld heat treatment (PWHT)?
A. Improve weld color
B. Relieve stresses
C. Increase speed
D. Reduce weld size
Rationale: PWHT reduces residual stresses and improves
toughness.
Answer: B. Relieve stresses
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026 |INSTANT DOWNLOAD PDF
1. What is the primary role of a welding inspector?
A. To perform welding operations
B. To ensure weld quality meets standards
C. To design welding structures
D. To supply welding materials
Rationale: Welding inspectors verify compliance with codes,
standards, and specifications.
Answer: B. To ensure weld quality meets standards
2. Which document outlines welding requirements for a
project?
A. Safety manual
B. Welding Procedure Specification (WPS)
C. Inspection checklist
D. Work order
Rationale: A WPS provides detailed instructions for welding
operations.
Answer: B. Welding Procedure Specification (WPS)
,3. What does PQR stand for?
A. Procedure Qualification Record
B. Production Quality Report
C. Performance Qualification Record
D. Process Quality Review
Rationale: PQR documents the actual test results supporting a
WPS.
Answer: A. Procedure Qualification Record
4. Which inspection method uses sound waves?
A. Radiographic Testing
B. Magnetic Particle Testing
C. Ultrasonic Testing
D. Dye Penetrant Testing
Rationale: Ultrasonic testing uses high-frequency sound waves
to detect flaws.
Answer: C. Ultrasonic Testing
5. What is the purpose of preheating before welding?
A. Improve weld appearance
B. Reduce residual stresses
C. Increase welding speed
D. Change metal color
,Rationale: Preheating minimizes thermal shock and cracking.
Answer: B. Reduce residual stresses
6. Which defect appears as a groove at the weld toe?
A. Porosity
B. Undercut
C. Slag inclusion
D. Crack
Rationale: Undercut is a groove melted into the base metal.
Answer: B. Undercut
7. What is the main function of flux in welding?
A. Increase temperature
B. Shield molten metal from contamination
C. Strengthen weld
D. Reduce welding time
Rationale: Flux protects the weld pool from atmospheric
contamination.
Answer: B. Shield molten metal from contamination
8. Which welding process uses a consumable electrode with
flux coating?
, A. TIG
B. MIG
C. SMAW
D. FCAW
Rationale: Shielded Metal Arc Welding uses a coated electrode.
Answer: C. SMAW
9. What type of discontinuity is caused by trapped gas?
A. Crack
B. Porosity
C. Inclusion
D. Undercut
Rationale: Gas trapped in the weld creates porosity.
Answer: B. Porosity
10. What is the purpose of post-weld heat treatment (PWHT)?
A. Improve weld color
B. Relieve stresses
C. Increase speed
D. Reduce weld size
Rationale: PWHT reduces residual stresses and improves
toughness.
Answer: B. Relieve stresses
