1. 6832 –09 Oxy- Fuels
Welding and Cutting

2. 15 psi
The maximum pressure for acetylene gas is ________ psi

3. Friction lighter
The best tool for lighting the torch is a _____________.

4. Soapy water
The proper procedure to check for leaks is to use _________ ________.

5. 5 feet
When not in use the acetylene and oxygen tank should be separated by a ____ foot wall

6. 20 feet
If not separated by a 5 foot wall the tanks should be at least ____ feet apart.

7. 5
The most common tip for oxy-acetylene welding is a number _______

8. Neutral
What kind of flame is best for welding, cutting and heating?

9. Red
High carbon steel should be preheated to a _____ color before welding.

10. Not quite touch
The white cone should be how far from the metal when welding?

11. Tip movement
The width of the puddle is determine by the ______ __________.

12. Chained and Upright
When transporting tanks, they should be ___________ and ___________.

13. Butt
Two pieces of metal lying flat end to end is call a _______ weld

14. Lap weld
A weld joint where two pieces of metal overlap is called a______ weld

15. Corner Weld
A weld joint where two pieces make a 90 degree is called a tee weld or a _______ weld

16. Edge weld
A ________ weld is when two pieces of metal are stacked on top of one another.

17. Fillet weld
A ________ weld is when two pieces of metal form an angle such as a Tee Weld or a Corner Weld.

18. Same thickness
The filler rod should be the _______ size (diameter) as the metal being welded.

19. Beveled
Thick metal should be __________ before welded.

20. Tacked
Pipe should be ________ on two sides before welding.

21. Fixed and rolled
Two methods of pipe welding are _______ and _______.

22. Puddle
The weld ______ is harder to control on out of position welds.

23. Bottom Up
When welding vertical with the oxy-acetylene unit you should weld from the________ _______

24. Metal Container
A ________ _________ should be used to catch the hot metal after cutting.

25. 1/8 inch
The inner cone should be ______ inches from the metal when cutting with the torch.

26. Square, curved
When cutting with the torch, the top edge of the metal should be ______ and the drag line will be slightly _______

27. Drill a hole
When cutting a hole in the center of a piece of metal it is a good idea to do what first?

28. When cutting a hole in metal, first drill a______ inch pilot hole.
¼ inch hole
When cutting a hole in metal, first drill a______ inch pilot hole.

29. 90 degrees
When cutting metal, you should hold the torch at a _______ angle.

30. ___________ and __________ does not melt the metal.
Soldering or brazing
___________ and __________ does not melt the metal.

31. Brazing
__________ uses a non ferrrous filler rod such as a bronze rod.

32. Brazing
__________ uses a neutral flame that is above 800 degrees but is below the melting point of the metal.

33. Soldering
______________ uses solder

34. Flux
When soldering always use a______ to help remove sulfides, oxides and nitrates

35. Sweating
Soldering a copper fitting is also called _______ a joint

36. Soldering gun
A propane torch, a soldering iron or a __________ __________ can be used to solder.

37. Heated
Metal thicker than 3/8 inches should be ________ before being bent.

38. Cherry Red
Metal should be heated to what color before bent?

39. Hardening
___________ metal makes it more brittle and gives it more strength.

40. OIL or Water
When hardening metal, heat to cherry red then plunge into _______ or ________.

41. Tempering
_____________ is done to reduce brittleness

42. Quenching
To cool metal quickly in water is called ____________.

43. Crack
Quenching too soon can cause some metal to shatter and ________.

44. Soft
Quenching too late will cause the metal to be too _______

45. Annealing
_______________ is the process of heating metal and cooling it slowly.

46. Hardening or Tempering
Annealing metal reverses the process of _________ or __________.

47. Sand or Vermiculite
Metal can be cooled slowly by placed it in a container of _________ or _______.

48. Changes
When metal is heated and or cooled, it _____________ its characteristics.