Combined Set Exam Tested Questions
& Reviewed Correct Detailed Answers
New Update!!
1. What makes a torch flame Oxidizing? - ANSWER Excess of "Oxygen"
2. What is the first step in shutting down a cutting torch? - ANSWER
Turning off Cylinder Valves
3. How are Empty (MT) gas cylinders Marked? - ANSWER write MT near
top of cylinder with soapstone
4. When cutting thin steel what angle should your tip be held? - ANSWER
15-20 Degrees
5. What type of Boots should be worn during a cutting or welding process? -
ANSWER 8" or taller high-top boots
6. What is the most effective ear protection for oxyfuel welding or cutting? -
ANSWER Earmuff Type
7. What happens when you introduce pure oxygen to a burning fuel? -
ANSWER Cause fire to flare & burn out of control
, 8. To prevent Flash burn a welder should wear? - ANSWER Properly tinted
lens designed electric arc use
9. What PSI is Oxygen stored in hollow steel cylinders? - ANSWER More
than 2,000
10. How many cubic feet can the largest oxygen cylinder hold? - ANSWER
485 cf
11. How many cubic feet is the most common oxygen cylinder? - ANSWER
227 cf
12. Where can you find name of gas and supplier stamped, labeled, or
stinciled? - ANSWER The shoulder of oxygen cylinder
13. At what temperature does and an acetylene & oxygen flame burn? -
ANSWER 5,500 Degrees
14. If an acetylene cylinder is tipped over how long must you wait before using
it? - ANSWER 30 Minutes
15. At what temperature does a safety plug melt in acetylene cylinders? -
ANSWER 220 Degrees