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TIG Welding Basics Questions With Answers Graded A+ Assured Success
On a Sinusoidal wave the center represents zero (no current) the top and bottom of top 
and bottom of the wave represent what respectively? - ️️The top half is DCEP and 
the bottom is DCEN 
What does the positive cycle provide when welding aluminum? - ️️Provides 
Cleaning Action 
Some medium range TIG welders will offer this start method which is less likely to 
contaminate or brake the electrode? - ️️Lift Start 
What current is used for TIG welding mild steel? - ️️DCEN 
What pri...
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