Which polarity creates the deepest weld penetration, assuming all other variables are constant?
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The arc current is carried primarily by the ____.
The arc current is carried primarily by the ____.
____ are used by the power company to step up the voltage f…
____ are used by the power company to step up the voltage for long distance transmission.
The degree to which the voltage is stepped up or down is dir…
The degree to which the voltage is stepped up or down is directly related to ____.
The output from the bridge rectifier is considered choppy an…
The output from the bridge rectifier is considered choppy and must be smoothed out by a(n) ____ before being used in the welding circuit.
Low voltage circuits are desirable for welding because ____….
Low voltage circuits are desirable for welding because ____.
If you were welding thin aluminum with a heavy oxide layer,…
If you were welding thin aluminum with a heavy oxide layer, you should set the wave balance to more ____.
____ have the advantage of being able to adjust the shape o…
____ have the advantage of being able to adjust the shape of the AC wave shape.
When welding titanium or zirconium, the GTAW process is idea…
When welding titanium or zirconium, the GTAW process is ideal because ____.
Which of the following base metals should be welded with AC…
Which of the following base metals should be welded with AC polarity?