NDT (Non-Destructive Testing) is a way to check the quality and safety of welds and materials without damaging them. Think of it like taking an X-ray or ultrasound of metal parts to find hidden problems, just like doctors do with patients. Companies use NDT to make sure things like pipelines, bridges, and pressure vessels are safe to use. This type of testing is very important in industries like construction, manufacturing, and oil and gas, where safety is crucial. Some common methods include X-ray testing, ultrasonic testing, and magnetic particle testing. People who do this work are often called NDT Technicians or NDT Inspectors.
Performed NDT and Non-Destructive Testing inspections on critical pipeline welds
Certified Level II NDT Inspector for radiographic and ultrasonic testing
Led team of NDT technicians in aerospace component inspection
Conducted Non-Destructive Testing on pressure vessel welds using multiple inspection methods
Typical job title: "NDT Technicians"
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Q: How would you develop an inspection procedure for a new client's complex welding project?
Expected Answer: A senior inspector should discuss how they would assess project requirements, select appropriate testing methods, consider safety factors, create detailed documentation, and train team members on the procedure.
Q: How do you handle conflicting interpretations of test results between team members?
Expected Answer: Should explain their approach to reviewing evidence, consulting codes and standards, mentoring less experienced technicians, and making final determinations based on experience and documentation.
Q: What factors do you consider when choosing between different NDT methods?
Expected Answer: Should discuss material type, accessibility, cost considerations, time constraints, and accuracy requirements for different inspection situations.
Q: Explain how you document and report test findings?
Expected Answer: Should describe their process for recording results, taking clear photos, writing detailed reports, and communicating findings to different audiences (engineers, clients, management).
Q: What are the basic safety procedures for performing NDT inspections?
Expected Answer: Should be able to explain personal protective equipment requirements, radiation safety for X-ray testing, proper handling of testing equipment, and basic workplace safety rules.
Q: What are the main NDT methods and their basic applications?
Expected Answer: Should be able to describe common methods like ultrasonic, magnetic particle, and dye penetrant testing, and explain when each is typically used.