72 Modern Welding Test Your Knowledge Write your answers on a separate sheet of paper. Do not write in this book. 1. List the fi ve basic welding joints. 2. List fi ve things the welding symbol will tell the welder about the weld that is to be made. 3. Why is the tail used on the welding symbol? 4. When used on the welding symbol, what does the weld symbol tell the welder? 5. The information below the reference line refers to the _____ side of the weld. 6. Where does the root opening appear on a groove weld symbol? 7. What information is shown in parentheses in “E” position in Figure 3-21? 8. On a chain intermittent welding symbol, are the fi llet weld symbols aligned or offset? 9. An intermittent fi llet weld with the length and pitch dimensions of 4-10 has how much space between the weld segments? 10. On a separate sheet of paper, sketch the complete welding symbol for the weld sketched in the space above. The metal part shown is not to be ground or cut prior to welding, and the weld is to be continuous rather than intermittent. 1/4 1/4 Refer to the welding symbol above when answering Questions 11 through 16: 11. Which piece of metal is to be ground, machined, or cut prior to welding? 12. What does the small, half-round symbol mean? 13. What shape is the weld face to be and what method will be used to fi nish it? 14. Is the weld made in the shop or on site (in the fi eld)? 15. At what angle is the one piece ground, and how far apart are the pieces at the root of the weld? 16. Is the weld made continuously, or is it intermit- tent? If intermittent, how long is each weld? How far apart are the welds, center-to-center? Refer to the welding symbol above when answering Questions 17 through 19. 17. What type of weld is to be made? 18. How many welds will be made? 19. What size are the welds? 20. What kind of weld symbol(s) may straddle the reference line? 2-6 1/16 45 G A RSW 0.25 (4)