Q. According to ASTME 709-95 and API, in order to eliminate all contaminants, an appropriate cleaning shall be performed on all the surfaces to be examined and on a minimum of adjacent material: (Solved)
1. 25.4 mm (1 inch)
2. 31.7 mm (5/4 inches)
3. 38.1 mm (1.5 inches)
4. 44.5 mm (7/4 inches)
- a. 25.4 mm (1 inch)