1. Arc Welding Safety Introduction to Metals

2. To prepare for arc welding, check to see that the contacts are a.Clean b.Secure c.Negative d.positive

3. To prepare for arc welding, check to see that the contacts are a.Clean b.Secure c.Negative d.positive

4. Before the welder is turned on, it should be a.Warmed up b.Wiped off c.Cleaned d.Grounded

5. Before the welder is turned on, it should be a.Warmed up b.Wiped off c.Cleaned d.Grounded

6. Your instructor should be told if the arc welder gets a.Hot b.Quiet c.Cold d.Noisy

7. Your instructor should be told if the arc welder gets a.Hot b.Quiet c.Cold d.Noisy

8. A connected electrode should only come in contact with a.The work table b.Your gloved hands c.The surface being welded d.The arc welder

9. A connected electrode should only come in contact with a.The work table b.Your gloved hands c.The surface being welded d.The arc welder

10. Electrode stubs should be a.Kept off the floor b.Kicked under the machinery c.Kept on the floor d.Washed off

11. Electrode stubs should be a.Kept off the floor b.Kicked under the machinery c.Kept on the floor d.Washed off

12. You should wear your arc welding hood a.When you weld b.When you watch someone else weld c.Both “a” and “b” d.None of the above

13. You should wear your arc welding hood a.When you weld b.When you watch someone else weld c.Both “a” and “b” d.None of the above

14. Before you strike an arc a.Tie your shoes b.Wash your hands c.Open up your booth d.Warn everyone else

15. Before you strike an arc a.Tie your shoes b.Wash your hands c.Open up your booth d.Warn everyone else

16. If you need to adjust your face shield a. Turn off the machine and set the stinger in its holder Call for help Do it with force Don’t do it at all

17. If you need to adjust your face shield a.Turn off the machine and set the stinger in its holder b.Call for help c.Do it with force d.Don’t do it at all

18. For heavy welding using large rods and high amperage, use a.A lighter, #14 lens b.A darker, #6 lens c.A darker, #12 lens d.A lighter, #8 lens

19. For heavy welding using large rods and high amperage, use a.A lighter, #14 lens b.A darker, #6 lens c.A darker, #12 lens d.A lighter, #8 lens

20. If you are using lower amperage and smaller diameter rods, use a.A #6 or #7 shade lens b.A #9 of #10 shade lens c.A #12 or #13 shade lens d.None of the above

21. If you are using lower amperage and smaller diameter rods, use a.A #6 or #7 shade lens b.A #9 of #10 shade lens c.A #12 or #13 shade lens d.None of the above

22. The best time to wear safety glasses in the shop is a.At all times b.In the morning c.When you leave d.When you are not welding

23. The best time to wear safety glasses in the shop is a.At all times b.In the morning c.When you leave d.When you are not welding

24. When the arc welder is not being used, it should be a.Kept warm b.Left on c.Turned off d.Put on a shelf

25. When the arc welder is not being used, it should be a.Kept warm b.Left on c.Turned off d.Put on a shelf

26. It is acceptable to weld without a helmet.

27. FALSE, you must always wear a helmet with a #10 or #12 shade lens

28. It is acceptable to weld while standing in water as long as the welder is grounded.

29. FALSE, never weld where you or the equipment could be exposed to water

30. It is not necessary to wear safety glasses if you are wearing a helmet.

31. FALSE, you must always wear safety glasses in the metals lab

32. Gloves should always be worn when welding.

33. TRUE

34. It is acceptable to start welding without warning others who are nearby.

35. FALSE, you must always warn others by saying “welding” before striking an arc

36. It is acceptable to weld using a #10 lens in your helmet.

37. TRUE

38. It is acceptable to weld in a t-shirt as long as you have on gauntlet gloves.

39. FALSE, you must wear either cotton or leather long sleeves

40. It is acceptable to weld in dirty or greasy clothes.

41. FALSE, clothes should be clean and free of frayed material

42. Safety glasses should be worn when chipping slag.

43. TRUE, safety glasses should be worn at all times

44. A ventilation fan should always be turned on when welding.

45. TRUE

46. How are flash burns caused and how can they be prevented?

47. They are caused when you look at the welding arc without a helmet Wear a helmet with a #10 or #12 shade lens

48. What temperature is an arc?

49. 10,000° F The temperature of the SUN

50. What are two rules for welding around flammables?

51. 1.Don’t unless absolutely necessary 2.Make sure they are shielded from sparks

52. Describe the type of clothing a person should wear when arc welding.

53. Long sleeves Hard, smooth material Leather shoes Gauntlet gloves No cuffs or jewelry Helmet cap / head band Safety glasses