QA QC Welding Inspector

QA QC Welding Inspector Interview Questions and Answers

Updated 26 Oct 2024

Q1. In welding root pass what size of filler wire you chose? And why ?

Ans.

The size of filler wire chosen for welding root pass depends on the thickness of the base metal and the welding process being used.

Filler wire size is typically chosen based on the thickness of the base metal to ensure proper penetration and strength of the weld.
For thicker base metals, a larger filler wire size may be chosen to provide adequate reinforcement.
The welding process being used, such as TIG or MIG, also influences the choice of filler wire size.
Proper selection of...read more

Ans.

Yes, I have reviewed Material test certificates to ensure compliance with specifications.

Reviewed material test certificates for chemical composition, mechanical properties, and other relevant information
Ensured that the materials used in welding met the required standards and specifications
Verified that the material test certificates were authentic and up to date
Documented the review process and any discrepancies found
Communicated with suppliers or manufacturers if there wer...read more

QA QC Welding Inspector Interview Questions and Answers for Freshers

Ans.

An oxygen scavenger is a chemical substance used to remove or reduce oxygen content in a system, such as in boiler feedwater to prevent corrosion.

Used in boiler feedwater treatment to prevent corrosion
Helps reduce oxygen content in systems
Commonly used chemicals include sodium sulfite, hydrazine, and catalyzed sodium bisulfite

Ans.

I am using materials grade that meet the specified requirements for the project.

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Ans.

A concession request is a formal request for permission to deviate from established standards or requirements.

It is typically made when a non-conformance is identified during an inspection or audit.
The request must provide a detailed explanation of the deviation and a plan for mitigating any potential risks.
Concession requests must be approved by the appropriate authority before any work can proceed.
Examples of situations where a concession request may be necessary include ch...read more

Ans.

WPS stands for Welding Procedure Specification and it contains all the details about the welding process.

WPS is a document that outlines the welding process to be used for a specific job.
It includes details such as the type of welding process, welding positions, filler metal, preheat and post-weld heat treatment requirements, and more.
WPS is developed by a qualified welding engineer or welding specialist and is approved by a certified welding inspector.
It is important to foll...read more

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