Interview Questions | Welding & NDT

Interview Questions for Mechanical QA/QC Engineer and Third Party Inspector Jobs

Sandeep Anand / March 15, 2024

Q1. How does the presence of molybdenum in SS316 affect its corrosion resistance compared to SS304? Increases resistance to pitting and crevice corrosion Enhances hardness and wear resistance Improves thermal conductivity Reduces ductility and toughness Answer: 1. Increases resistance to pitting and crevice corrosion (Explanation: The addition of molybdenum in stainless steel grade 316 (SS316) […]

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Interview Questions on Welding for Welding, QC Engineer and Third Party Inspector Jobs

Sandeep Anand / March 3, 2024

Q1. What is the primary purpose of a welding procedure specification (WPS)? To outline the qualifications of the welder To specify the welding process and variables To determine the cost of the welding project To schedule welding activities (Explanation: A Welding Procedure Specification (WPS) is a document that provides the details of the variables (parameters)

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Ultrasonic Testing – UT (NDT) Questions and Answers for Level III and II exams

Sandeep Anand / February 21, 2024

Q1. Which of the following factors can affect the accuracy of flaw detection in UT? www.weldingandndt.com Beam divergence Surface roughness Frequency of the ultrasonic waves All of the above (Explanation: Ultrasonic flaw detection in UT depends on several factors, with frequency selection being the most prominent. However, other factors also play a crucial role in

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