TB 017 - Portable Cutting Torch Flashcards
The portable oxy-acetylene cutting torch used by this Department will operate for approximately ___ minutes in normal usage and will cut metal up to __ inches thick.
15
2
________ goggles and ________ type gloves, provided with the unit, are to be used at all times while cutting.
Welding
Gauntlet
In addition to the member operating the torch, another member is to stand by with a suitable __________, to protect the operator and watch for adjacent ignition
Extinguisher
Do not cut in an area containing __________ gases or flammable liquids
Combustible
Metal: 0 - 1”
Oxygen: ___PSI
Acetylene: __PSI
Working Time: ___MINS
Oxygen: 35 PSI
Acetylene: 7 PSI
Working Time: 15 MINS
Metal: 1 - 2”
Oxygen: ___PSI
Acetylene: __PSI
Working Time: ___MINS
Oxygen: 60 PSI
Acetylene: 7 PSI
Working Time: 9 MINS
Oxygen Cylinder: open cylinder valve slightly to bow away _____. Never open next to cutting work or source of ignition
Dirt
All oxygen connections have ______-hand threads.
Right
Acetylene cylinder valves have ______-hand threads for regulator connection
Right
Acetylene hose connections at torch and regulator are _____-hand thread.
Left
acetylene cylinder should not be opened or used with the valve ______ than the body of the cylinder.
Lower
Open ACETYLENE cylinder valve _____ turns, no more.
1 1/2
Never ______ directly in front or back of regulator gauges when opening a cylinder valve.
Stand
Open the torch-acetylene valve (“D”) ____ turn
1/8
If a flashback occurs: Immediately close the preheat-________ valve
Oxygen
