Name:
Chapter 2 Oxy-Fuel Cutting Sections 3.0-3.3.1
Date:
1. List five parts to a typical oxy-fuel cutting equipment setup.
2. When combined with burning material, pure oxygen causes what to happen?
3. Pure oxygen is combined with fuel gasses to produce what?
4. At what pressure is oxygen stored at in the steel cylinders?
5. How many cubic feet of oxygen do the smallest standard oxygen cylinder holds?
6. How many cubic feet of oxygen do the largest high pressure oxygen cylinders hold?
7. Acetylene is produce by mixing what two chemicals?
8. Why does acetylene become explosive at pressures above 15 PSI?
9. At what temperature does an acetylene flame burn when combined with pure oxygen?
10. Besides acetylene what else is in side of an acetylene cylinder?
Period
Name:
Chapter 2 Oxy-Fuel Cutting Sections 3.0-3.3.1
Date:
Period
11. Why should an acetylene cylinder never be used while it is lying on its side?
12. Why is liquid acetone mixed with acetylene inside the cylinder?
13. The rate at which acetylene is withdrawn from the cylinder should not exceed what amount?
14. At what temperature to the safety fuse plugs in the top and bottom of the acetylene cylinder
melt?
15. What are three liquefied fuel gasses that can be used in place of acetylene?
16. What is the definition of a “flash back”?
17. What is the definition of a “back fire”?
18. What is the difference between a back fire and a flash back?
19. At what temperature does propane burn when mixed with pure oxygen?
20. Of the liquefied fuel gasses, which one produces the hottest flame?