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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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Why is it important to strike the arc only in the weld joint?

To determine

The reason to strike the arc only in the weld joint.

Explanation

The most accurate method of starting an arc involves the holding of the electrode steadily by resting it on a free hand. The electrode is pushed forward so that it strikes the metal in the weld joint. This is the excellent method of arc striking.The reason to strike the arc only in the weld joint are as below:

  1. Striking the arc in an incorrect spot may cause damage to the base metal.
  2. Striking the arc in the weld joint protects the weld joint from oxygen and reactive gases present in welding area...

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