Oxy-Fuel Flashcards
Before Attaching the regulator to a new cylinder, always _____ the cylinder by quickly opening and closing the cylinder valve.
Crack
Should oil or other lubricants be used on fittings or connections?
No
What would happen if a cylinder was unchained or moved with the cylinder cap on?
It would become a projectile
Could cause an explosion
Would rocket around the room
Why should oxygen never be used as compressed air?
Makes you highly flamable
Why can you not connect different regulators to different lines?
Male female situation
Fuel gasses have _____ or left handed threads.
Reverse
When opening the cylinder valve, where should you stand?
To the side
What three things could damage a hose?
- Sharp edges
- Oil
- Flames/heat
Never release fuel gases into a confined area where they may cause a fire or _____.
Explode
Use what to detect leaks in equipment/hoses?
Soapy Water
What are the safety valves on cylinders designed to do?
Let gasses out
How far should Oxygen and Fuel valves be opened?
Oxygen - all the way
Fuel - One full turn
What PSI amount should acetylene never be used at?
15+ PSI
What is backfire?
When the cutting torch makes a pop or snap sound
What is a flashback?
Where fire burns inside the torch
How should cylinders be stored?
- Chained Upright
- At Least 20ft From Combustibles
- Caps On
- Full Separate From Empty
- Oxygen Separate From Propylene By A Fire Wall
When Cutting what shade of tint do you need?
3-5
When cutting, a person needs to wear ____?
- Gloves
- Apron
- Boots
- Flame Resistant Clothing
T or F
Matches or cigarette lighters can be used to ignite the oxy-acetylene torch.
F
T or F
Galvanized steel and burning paint do not give off toxic fumes.
F
T or F
It is okay to weld or cut on containers that have held flammable or toxic substances.
F
