Oxyacetylene Safety
Answer the following questions.
Use the following internet link to find the answers:
http://www.esabna.com/EUWeb/OXY_handbook/589oxy1_1.htm
General Safety1.
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Why is adequate ventilation important when oxy-acetylene welding and cutting?
What can happen when oil and/or grease comes in contact with pure oxygen?
What is the minimum shade of goggles used when oxy-acetylene welding?
When inspecting the oxy-acetylene apparatus, what should you look out for?
What piece of safety equipment should be close to the work area, easily accessible, be
the proper type and size, and be inspected regularly?
6. Which cylinders, which should not be opened more than ¾ of a turn, and which
cylinders should be open completely to leaking around the seal packing around the
valve stem?
7. What shade of lens in appropriate for light oxyacetylene welding to 1/8” thick material?
8. What act was enacted do assure safe and healthful working conditions for working men
and women
9. Name three typical methods for ventilation.
10. List the type of clothing and clothing practices that provide protection from sparks?
11. How can you protect your other workers surrounding you from sparks?
12. Why would it be important to notice cracks in floors and crevices when grinding and
cutting?
13. What is a fire watcher?
14. Give some examples of possible fire hazards that can be found in an industrial setting.
Industrial Gases15. Is oxygen by itself flammable? Why or why not?
16. If you have a piece of smoldering fabric, and you introduce pure oxygen into the heart of
the smoldering action, what will happen?
17. What is the normal pressure for a full oxygen cylinder?
18. If the valve on an oxygen cylinder broke off, what would happen to the cylinder?
19. What is the chemical symbol for acetylene?
20. At what pressure does acetylene become unstable?
21. Why is it important not to use an acetylene cylinder that has been lying on its side for
any length of time? How long should one wait before using it?
22. How often does a gas cylinder need to need to be hydrostatically checked?
23. What does the term cracking the cylinder mean?
24. Suffocation is a concern in confined spaces. Name three gasses that are heavier than air
and could cause suffocation?
25. What information would a person find by looking up the bulletin AWS F4.1.?