Safety
What is the minimum shade for oxy-acetylene welding?
What color is the oxygen and acetylene lines?
green and red.
What are the worst shoes to wear duing welding?
Open toe shoes.
True or false: Oxy-acetylene is the most used welding method in the world.
False
What do you use to light the flame?
Striker
True or False: Safety glasses are not required to be worn in the shop.
False.
What gas do you light first when welding?
Acetylene.
True or false: You should always wear welding gloves when welding.
True.
What is the chemical symbol for acetylene?
C2H2
What do you use to clean the tip?
Tip cleaner
You should never put what liquid in the line to check for gaps of leaks?
Oil.
What is the order in which you turn off the gasses when you finish welding?
Acetylene than oxygen.
You should never wear what type of material while welding?
Polyester.
What is the ratio of oxygen to acetylene for a neutral flame?
1 to 1.
What should you do not weld on?
The bricks.
Where should you point your torch when light the acetylene?
Away from the lines and yourself.
What stops flames from going backwards during welding?
Flashback arrestor.
The welding coat protects your clothes from what?
Sparks
When was oxy-acetylene invented?
1903
How do you know if the tip needs cleaning?
If the flame splits into multiple flames.
What is the maximum working pressure for acetylene?
15psi.
What are the three types of flames.
Neutral, oxidizing, and carburizing
True or false: Cotten is safer to wear than polyester during welding.
Who invented oxy-acetylene welding?
Edmond Fouche and Charles Picard
What material are oxy-ace torches made of?
Brass & Stainless Steel