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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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What is a good indication that the molten weld pool is not being protected from oxidation?

To determine

The indication that the molten weld pool is not being protected from the oxidation.

Explanation

The molten weld pool should be protected from the atmospheric air with the help of secondary flame. If the secondary flame is deviated from the weld pool suddenly, the weld pool suddenly throws off a large number of sparks. These sparks come out when the metal starts to burn as it comes into contact with oxygen in the air.

These sparks make a good indication that the molten weld pool is not being protected from the oxidation...

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