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The distance from the center of arc to the tip of electrode is called what?

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in Casting-Forming-Welding II by (119k points)
The distance from the center of arc to the tip of electrode is called what?

(a) Arc distance

(b) Arc length

(c) Arc crater

(d) Arc depth

The question was asked during a job interview.

This interesting question is from Arc Welding topic in chapter Welding and Related Processes of Casting-Forming-Welding II

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Correct answer is (b) Arc length

To explain: The distance from the center of the arc to the tip of the electrode, right till the bottom of the crater is defined to be the arc length. The arc length is considered to be one of the most essential variable in welding process.

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