AWS Certified Welder Structural Steel D1.1
Exam Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of AWS D1.1?
A. Electrical installation standards
B. Structural steel welding code requirements
C. Pipe fitting procedures
D. HVAC system design
Answer: B
AWS D1.1 provides requirements for welding structural steel in
fabrication and construction.
2. Which welding process is most commonly used in structural steel
welding?
A. GTAW
B. SMAW
,C. Oxy-fuel welding
D. Resistance welding
Answer: B
SMAW (Stick welding) is widely used due to versatility and field
suitability.
3. What does WPS stand for?
A. Welding Procedure Specification
B. Welded Pipe System
C. Welding Production Standard
D. Work Placement Sheet
Answer: A
A WPS defines how a weld must be performed to meet code
requirements.
4. What is the function of a PQR?
A. Personnel Qualification Record
B. Procedure Qualification Record
C. Pipe Quality Report
D. Pressure Qualification Rating
,Answer: B
A PQR documents test results validating a WPS.
5. Which defect is most commonly caused by excessive travel speed?
A. Underfill
B. Lack of fusion
C. Porosity
D. Cracking
Answer: A
Too fast travel can prevent proper weld metal deposition.
6. What is preheat used for?
A. Increase welding speed
B. Reduce distortion and cracking
C. Clean base metal
D. Improve electrode strength
Answer: B
Preheat slows cooling and reduces residual stresses.
7. What is the main purpose of a root pass?
, A. Cosmetic appearance
B. Initial weld penetration
C. Surface cleaning
D. Heat treatment
Answer: B
The root pass establishes penetration at the base of the joint.
8. Which defect is caused by gas trapped in solidifying weld metal?
A. Slag inclusion
B. Porosity
C. Undercut
D. Overlap
Answer: B
Porosity results from gas entrapment during solidification.
9. What does FCAW stand for?
A. Fully Controlled Arc Welding
B. Flux Cored Arc Welding
C. Field Core Arc Welding
D. Fast Current Arc Welding
Exam Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of AWS D1.1?
A. Electrical installation standards
B. Structural steel welding code requirements
C. Pipe fitting procedures
D. HVAC system design
Answer: B
AWS D1.1 provides requirements for welding structural steel in
fabrication and construction.
2. Which welding process is most commonly used in structural steel
welding?
A. GTAW
B. SMAW
,C. Oxy-fuel welding
D. Resistance welding
Answer: B
SMAW (Stick welding) is widely used due to versatility and field
suitability.
3. What does WPS stand for?
A. Welding Procedure Specification
B. Welded Pipe System
C. Welding Production Standard
D. Work Placement Sheet
Answer: A
A WPS defines how a weld must be performed to meet code
requirements.
4. What is the function of a PQR?
A. Personnel Qualification Record
B. Procedure Qualification Record
C. Pipe Quality Report
D. Pressure Qualification Rating
,Answer: B
A PQR documents test results validating a WPS.
5. Which defect is most commonly caused by excessive travel speed?
A. Underfill
B. Lack of fusion
C. Porosity
D. Cracking
Answer: A
Too fast travel can prevent proper weld metal deposition.
6. What is preheat used for?
A. Increase welding speed
B. Reduce distortion and cracking
C. Clean base metal
D. Improve electrode strength
Answer: B
Preheat slows cooling and reduces residual stresses.
7. What is the main purpose of a root pass?
, A. Cosmetic appearance
B. Initial weld penetration
C. Surface cleaning
D. Heat treatment
Answer: B
The root pass establishes penetration at the base of the joint.
8. Which defect is caused by gas trapped in solidifying weld metal?
A. Slag inclusion
B. Porosity
C. Undercut
D. Overlap
Answer: B
Porosity results from gas entrapment during solidification.
9. What does FCAW stand for?
A. Fully Controlled Arc Welding
B. Flux Cored Arc Welding
C. Field Core Arc Welding
D. Fast Current Arc Welding
