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WorksheetsWLD-112 Basic Welding (Plasma Cutting)
Total questions: 20
Worksheet time: 10mins
The work clamp should be place close to ___________?
the source of power
the floor
the area where you are cutting
none of the above
The compressed air going into the plasma cutter should be ________ air
Dry
Oily
Dirty
Argon
When using Plasma cutter, the molten metal is removed by?
A jet of air passing through the arc
the oxygen in the air causing the metal to oxidize
setting the work piece on edge so the molten metal can run downhill
metal vaporizing from the intense arc
Fumes are a potential hazard associated with Plasma cutting
True
false
What is the metal that is inside the electrode?
Tantalum
Thulium
Holmium
Hafnium
How can you make the consumables last longer?
torch-to-work distance
pierce height
quality of your air
Don’t pierce in the middle of the plate.
All the above
How do you know when it is time to change the Consumables?
They turn colors.
They make a whistling sound.
The plasma won't stay lit.
The hole on the cup is oblong and or the electrode has receded back to 1/16in.
Dross can be reduced or eliminated completely by________________.
making sure your travel speed is as slow as possible.
adjusting the cutting speed to the optimum condition as prescribed in the operator’s manual.
using a forward back, forward back motion.
having the amps as low as possible.
