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20: Review Questions
A welding machine is often wired into a(n) ____ for increased worker safety.
What type of connection is used for shielding gas and water hoses?
In what position must a ball-float flowmeter be mounted?
In a ball-float flowmeter, the flow is read from what part of the ball?
List three of the major types of electrodes used in GTAW.
When grinding an electrode, in what direction should the grind marks go?
What shape should an electrode tip used for DCEN welding have?
A. Tapered with a sharp point.
B. Tapered with a blunted point.
C. Balled on the end.
D. Square cut
How is the electrode held in place?
What type of current requires the high-frequency voltage to be used continuously?
If you want to set the current to a certain amount and not vary it during welding, what position should the current switch be in?
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