Louisiana Welding Inspector Certification Exam
Questions And Correct Answer with Rational
(100% verified answer) Q & A 2026 /Instant
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1. What is the primary purpose of welding inspection?
A. Increase welding speed
B. Ensure weld quality and code compliance
C. Reduce welding cost
D. Train welders
Answer: B
Rationale: Welding inspection ensures that welds meet required standards, codes,
and safety requirements.
2. Which organization publishes the AWS structural welding codes?
A. ASME
B. ANSI
C. AWS
D. API
Answer: C
Rationale: The American Welding Society (AWS) publishes structural welding codes
like AWS D1.1.
3. What does NDT stand for?
A. Non-Destructive Testing
B. New Design Technology
,C. Normal Defect Testing
D. Non-Directional Test
Answer: A
Rationale: NDT evaluates materials without causing damage.
4. Which NDT method uses X-rays?
A. Ultrasonic Testing
B. Radiographic Testing
C. Magnetic Particle Testing
D. Dye Penetrant Testing
Answer: B
Rationale: Radiographic Testing uses X-rays or gamma rays to inspect welds.
5. What is a welding discontinuity?
A. Always a defect
B. An interruption in weld material
C. A type of electrode
D. A welding machine setting
Answer: B
Rationale: A discontinuity is an irregularity in the weld structure.
6. Which defect is most likely caused by rapid cooling?
A. Porosity
B. Cracking
C. Slag inclusion
D. Undercut
Answer: B
Rationale: Rapid cooling can lead to thermal stress and cracking.
, 7. What does WPS stand for?
A. Welding Production System
B. Welding Procedure Specification
C. Weld Performance Standard
D. Welding Process Sheet
Answer: B
Rationale: WPS defines how a weld should be made.
8. What is the function of a PQR?
A. Personnel Qualification Record
B. Procedure Qualification Record
C. Pressure Quality Report
D. Process Qualification Requirement
Answer: B
Rationale: PQR documents test results validating a welding procedure.
9. Which welding process uses a continuous wire electrode and shielding gas?
A. SMAW
B. GMAW
C. TIG
D. SAW
Answer: B
Rationale: GMAW (MIG) uses wire feed and shielding gas.
10. What is porosity in welding?
A. Excess penetration
B. Gas pockets in weld metal
Questions And Correct Answer with Rational
(100% verified answer) Q & A 2026 /Instant
download PDF
1. What is the primary purpose of welding inspection?
A. Increase welding speed
B. Ensure weld quality and code compliance
C. Reduce welding cost
D. Train welders
Answer: B
Rationale: Welding inspection ensures that welds meet required standards, codes,
and safety requirements.
2. Which organization publishes the AWS structural welding codes?
A. ASME
B. ANSI
C. AWS
D. API
Answer: C
Rationale: The American Welding Society (AWS) publishes structural welding codes
like AWS D1.1.
3. What does NDT stand for?
A. Non-Destructive Testing
B. New Design Technology
,C. Normal Defect Testing
D. Non-Directional Test
Answer: A
Rationale: NDT evaluates materials without causing damage.
4. Which NDT method uses X-rays?
A. Ultrasonic Testing
B. Radiographic Testing
C. Magnetic Particle Testing
D. Dye Penetrant Testing
Answer: B
Rationale: Radiographic Testing uses X-rays or gamma rays to inspect welds.
5. What is a welding discontinuity?
A. Always a defect
B. An interruption in weld material
C. A type of electrode
D. A welding machine setting
Answer: B
Rationale: A discontinuity is an irregularity in the weld structure.
6. Which defect is most likely caused by rapid cooling?
A. Porosity
B. Cracking
C. Slag inclusion
D. Undercut
Answer: B
Rationale: Rapid cooling can lead to thermal stress and cracking.
, 7. What does WPS stand for?
A. Welding Production System
B. Welding Procedure Specification
C. Weld Performance Standard
D. Welding Process Sheet
Answer: B
Rationale: WPS defines how a weld should be made.
8. What is the function of a PQR?
A. Personnel Qualification Record
B. Procedure Qualification Record
C. Pressure Quality Report
D. Process Qualification Requirement
Answer: B
Rationale: PQR documents test results validating a welding procedure.
9. Which welding process uses a continuous wire electrode and shielding gas?
A. SMAW
B. GMAW
C. TIG
D. SAW
Answer: B
Rationale: GMAW (MIG) uses wire feed and shielding gas.
10. What is porosity in welding?
A. Excess penetration
B. Gas pockets in weld metal
