ASSIGNMENT 14 Textbook Assignment: “Nondestructive Inspections,   Welding, and Heat Treatment,” chapter 15, pages 15-1 through 15-45. 14-1. What manual covers the theory and general applications of various methods of NDI? 1. NAVAIR 01-1A-12 2. NAVAIR 01-1A-16 3. NAVAIR 01-1A-17 4. NAVAIR 01-1A-20 14-2. Currently active NDI technicians are required to be recertified at least how often? 1. Every 5 years 2. Every 2 years 3. Every 3 years 4. Every 4 years 14-3. NDI operators must use the NDI method(s) for which they are certified at least how often? 1. Once a month 2. Twice a month 3. Once a quarter 4. Twice a quarter 14-4. What command has cognizance over the NDI program? 1. NADOC 2. NADEP 3. NAESU 4. NAVAIR 14-5. Aircraft controlling custodians have all EXCEPT which of the following NDI program responsibilities? 1. Designating NDI specialist as required 2. Designating an NDI program manager 3. Providing NDI training for NADEPs as requested 4. Ensuring that NDI equipment, laboratories, and personnel are audited as required 14-6. The detection of flaws or defects in material with a high degree of accuracy and reliability by the use of NDI methods depends primarily on which of the following factors? 1. The availability of a trained and experienced technician 2. The availability of a large and well-equipped facility 3. The type of material being inspected 4. The detection method used 14-7. You are performing a process that consists of inducing a magnetic field into a part and applying magnetic particles in a liquid suspension or dry powder. What type of NDI inspection are you conducting? 1. Ultrasonic 2. Radiographic 3. Eddy current 4. Magnetic particle 14-8. Which of the following magnetization methods are used in magnetic particle inspections? Linear only Circular only Circular and longitudinal only Linear,    circular, and longitudinal 14-9. To magnetize both the inside and outside of parts that are hollow or tubelike, you should place them on a copper bar and pass current through them. True False 14-10. The particles used in magnetic particle testing must possess which of the following qualities? 1. High permeability and high retentivity 2. High permeability and low retentivity 3. Low permeability and high retentivity 4. Low permeability and low retentivity 74