Start up
When opening the valves on the tanks where should you stand?
to the side
Thanks should always be kept in a ________ position
True/False.
You should mix torch parts from different manufacturers.
False
excessive fuel, low oxygen
Carbonizing flame
Torch valve to shut off first
Acetylene
Acetylene cylinder valve should be open how much:
No more than 3/4 of the way
The recession of a flame into the tip or all of the way back into the mixing chamber is called:
Flashback
True/False
You should open the valve on the oxygen tank completely
True
equal amounts of fuel and oxygen
Neutral
Turn off cylinder valves all the ways
Oxygen regulator should be set to:
20-25 PSI
Check hoses for
Dry rot or cracks
What should you use to light the flame on the torch.
Flint striker
excess oxygen, low fuel
Oxidized
How do you purge the system?
Opening torch valves to release all pressure
Acetylene regulator should be set at:
5 PSI
To secure cylinders you should:
Chain them
Acetylene should never exceed _____ PSI
15
Used to weld
Neutral
All regulators should be at _______ when shut down.
0
Acetylene hose is ____________
Oxygen hose is _____________
Red & Green
A shade ______ lens should be worn when operating torches.
Shade 4
What should you do before before disconnecting a regulator from a cylinder?
Release all pressure from the regulator.
Used to cut
Oxidized
Where should you leave torch when done?
Wrapped up on table