Safety Review
Name:_________________ Score:______
1. What are the two purposes of the regulator on an oxy/acetylene rig?
2. What are the five potential hazards of arc welding?
3. Explain the difference between AC, DC Straight, and DC Reverse polarity?
4. What are the five types of materials used to make welding rods?
5. What are the two gauges on the regulator used for?
6. Name three purposes of flux on an electrode.
7. What do the numbers on the electrode mean? (E6011 for example)
8. Why shouldn’t you weld with wet gloves?
9. What shade of lens should be worn when arc welding?
10. Why shouldn’t you throw welding rod stubs on the floor when welding?
11. Why is proper ventilation important when welding?
12. List two reasons why you shouldn’t arc weld without proper coveralls?
13. What shade of lens should be worn when welding with acetylene?
14. Why should you warn people around you before you strike an arc?
15. At what length should you properly discard used welding rods? Why?
16. Why is it important to stand at the back side of the valve when opening gas cylinders?
17. Why shouldn’t you dust yourself off with pure oxygen?
18. Why should you avoid welding near combustible materials?
19. Should you handle hot metal with gloves?
20. Why shouldn’t you arc weld on a wet floor?
21. When using a drill press of hand drill should you hold the work by hand or secure it with a clamp or vise?
22. How far should the Oxygen cylinder valve be opened?
23. At what psi does acetylene become unstable and hazardous?
24. What equipment should be worn in the shop at all times?
25. How far should you open the acetylene cylinder valve?
26. Why should you keep oil and grease away from pure oxygen?
27. How should gas cylinders be stored?
28. In the shop, you acetylene pressure should never be set higher than ____ to ____ psi.
29. The oxygen hose is colored ___________ and has __________ handed threads.
30. The fuel hose is colored __________ and has _________ handed threads.
31. Why should you use gas welding equipment at least four feet away from the tanks?
32. What are three characteristics of oxygen?
33. What substance is used to control the unstable propertied of acetylene?
34. What are four characteristics of acetylene?
35. Why shouldn’t you cut or weld near concrete?
36. How do you properly clean the torch tip?
37. If a flashback occurs, what should you do?
38. What is the proper way to move a cylinder?
39. Place the following torch set up procedures in order.
___Turn off the fuel cylinder valve.
___Check the regulator thumb screws.
___Light the flame.
___Turn off the oxygen cylinder valve.
___Turn on the oxygen cylinder valve all the way.
___Set the correct fuel working pressure.
___Empty fuel hoses until gauges register zero.
___Open fuel cylinder valve one half turn.
___Set the correct oxygen working pressure.
___Empty the oxygen hoses until gauges register zero.
___Loosen regulator thumb screws.
___Shut down the flame. (fuel first).
List the 9 safety colors and their meanings.
Color Meaning
40.
41.
42.
43.
44.
45.
46.
47.
48.