Non-destructive Testing
Non-destructive Testing (often called NDT) is a way to check and examine materials, parts, or products without damaging them. Think of it like taking an X-ray at the doctor - you can see inside without cutting anything open. This is very important in industries like manufacturing, aerospace, construction, and oil & gas, where companies need to make sure their products and equipment are safe and reliable. Common methods include ultrasound scanning, X-ray imaging, and magnetic particle testing. Quality control professionals use these techniques to find hidden problems like cracks, weak spots, or internal damage that you can't see from the outside.
Examples in Resumes
Performed Non-destructive Testing on aircraft components using ultrasound and X-ray methods
Led team of 5 inspectors conducting NDT examinations in petrochemical facility
Certified Level II Non-destructive Testing inspector specializing in magnetic particle and liquid penetrant testing
Typical job title: "NDT Technicians"
Also try searching for:
Where to Find NDT Technicians
Professional Organizations
Job Boards
Professional Networks
Example Interview Questions
Senior Level Questions
Q: How would you develop an inspection program for a new manufacturing facility?
Expected Answer: A senior inspector should discuss creating comprehensive testing schedules, selecting appropriate testing methods, training requirements for staff, safety protocols, and ensuring compliance with industry standards.
Q: How do you handle conflicting interpretations of test results between inspectors?
Expected Answer: Should explain process of reviewing documentation, consulting standards, getting additional opinions if needed, and making final decisions based on experience and safety considerations.
Mid Level Questions
Q: What factors determine which NDT method you choose for an inspection?
Expected Answer: Should discuss material type, accessibility, type of defects being looked for, cost considerations, and safety requirements when choosing between ultrasonic, radiographic, or other testing methods.
Q: Describe your experience with documentation and reporting of test results.
Expected Answer: Should explain how they document findings, create detailed reports, maintain records, and communicate results to different stakeholders in clear, understandable terms.
Junior Level Questions
Q: What are the basic safety precautions when performing NDT?
Expected Answer: Should mention proper use of safety equipment, following radiation safety protocols if applicable, awareness of workplace hazards, and following standard operating procedures.
Q: What are the main NDT methods and their basic principles?
Expected Answer: Should be able to explain basic concepts of common methods like ultrasonic testing, radiographic testing, and magnetic particle testing in simple terms.
Experience Level Indicators
Junior (0-2 years)
- Basic understanding of common NDT methods
- Ability to follow written procedures
- Basic equipment operation
- Safety awareness
Mid (2-5 years)
- Multiple NDT method certifications
- Independent inspection capability
- Result interpretation and reporting
- Equipment maintenance and calibration
Senior (5+ years)
- Advanced certifications in multiple methods
- Program development and oversight
- Team leadership and training
- Complex problem-solving
Red Flags to Watch For
- No formal NDT certifications
- Limited knowledge of safety protocols
- Unable to explain basic inspection methods
- Poor documentation practices
- No experience with industry standards and codes
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