and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the primary responsibility of a weld inspector?
A) Fabricating metal components
✔✔B) Ensuring that welds meet quality standards
C) Designing welding procedures
D) Supervising all workers on-site
Which tool is commonly used to measure weld size?
✔✔A) Fillet weld gauge
B) Caliper
C) Spirit level
D) Wire brush
Why is pre-weld inspection necessary?
A) To reduce production time
B) To finalize welding costs
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,✔✔C) To verify materials and joint preparation
D) To identify potential supervisors
What is porosity in a weld?
A) Excess metal on the weld surface
B) An uneven weld bead
C) Gas pockets trapped in the weld metal
✔✔D) A defect caused by improper shielding gas
What type of test is used to check weld strength without causing damage?
A) Destructive testing
✔✔B) Non-destructive testing (NDT)
C) Mechanical testing
D) Thermal analysis
What does a visual inspection of a weld typically include?
✔✔A) Examining for surface defects, alignment, and weld profile
B) Measuring heat input during welding
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,C) Testing the tensile strength of the weld
D) Assessing the welder’s skill level
What is the role of shielding gas in welding?
✔✔A) Protecting the weld pool from atmospheric contamination
B) Cooling the weld metal
C) Increasing welding speed
D) Cleaning the base metal before welding
Which defect is characterized by a groove at the weld toe?
✔✔A) Undercut
B) Porosity
C) Slag inclusion
D) Overlap
Why is post-weld heat treatment (PWHT) sometimes necessary?
✔✔A) To relieve residual stresses and enhance weld properties
B) To cool the weld faster
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, C) To change the weld’s color
D) To prevent weld distortion
What is the purpose of a Welding Procedure Specification (WPS)?
A) To guide the inspection process
B) To record test results
✔✔C) To provide detailed instructions for performing a weld
D) To certify welders
What is spatter, and how is it typically managed?
✔✔A) Small metal droplets that scatter during welding; reduced by using proper settings
B) A protective coating applied to welds; managed by brushing
C) Excess slag on the weld; managed by grinding
D) An arc-related defect; managed by cooling techniques
What is the main purpose of a fillet weld?
A) To join materials at a 90-degree angle
✔✔B) To join materials at a right angle or reinforce joints
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