Safety
What must be worn at all time in the shop?
Safety Glasses
What is the hose color of Oxygen?
Green
What is the hose color of Acetylene?
Red
What is used to start the flame on an oxy acetylene torch?
Flint Striker
When cutting large pieces of metal, you should use a large or small cutting tip?
Large Cutting Tip
Personal Protective Equipment
An oxygen cylinder should be opened?
All the Way
An acetylene cylinder should be opened?
1-1/2 Turn max
Before lighting an oxy acetylene torch you should first check system for what?
Leaks and Broken Gauges/Regulators
Where should you hold the torch (with your hand) when cutting metal?
Torch Body
When opening the cylinder valve you should stand where?
How is the working pressure of oxygen for oxy acetylene cutting determined
Pressures are determined by Cutting tip size/plate thickness on our charts.
What is the working pressure of Acetylene for oxy fuel cutting in our class?
3-5 PSI in our class
What should be introduced first when lighting an oxy fuel cutting torch?
Acetylene/fuel
What is used to adjust oxygen/acetylene on the cutting torch?
Torch Valves
What shade should a welding helmet be set to to effectively cut metal using an oxy-fuel cutting torch?
Shade 3-5
What type of threading does an oxygen torch valve have?
Right Handed Threads
At what pressure does Acetylene gas become volatile and unstable?
15 PSI
If a loud pop occurs and is followed by a whistling noise, what is the first thing that should be done?
Turn off the acetylene gas
What is used to add oxygen to the flame when cutting metal?
Oxygen Cutting Lever
What are five things that must be worn in order to participate in oxy acetylene cutting?
Cutting Goggles, Leather Gloves, CSA Approved leather boots, Cutting Jacket, Safety Glasses/Faceshield, earplugs
If too much oxygen is added quickly to the flame, what will happen?
The flame will be put out and must be relight.
What kind of threading does an acetylene torch valve have?
Left Hand Threading
Too much acetylene gas will create a carbonized flame, and too much oxygen will create an oxidized flame. What kind of flame to we want to create for oxy fuel cutting?
A quiet, neutral Flame
What is attached to the torch to prevent fire from entering the gas cylinder?
Flashback Arrestors