Name: MATE 1104-Radiography Testing Lab Assignment Total Marks: Due Date: / 25 Group ID: Use your notes, information posted on Moodle and your course pack to help you answer the following questions: 1. What are the 2 types of sources of penetrating radiation used for industrial testing? (2 marks) 2. What are the three basic elements required to produce a radiograph? (3 marks) 3. Give one example of a naturally occurring radioactive material and one example of a synthetic isotope: (2 marks) 4. Briefly describe how x-rays are produced. (4 marks)