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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 problem can a long nozzle cause to the tungsten?

To determine

The problems caused to the tungsten by a long nozzle.

Explanation

Nozzles are installedin the torch of the welding equipment. The nozzle is used to direct the shielding gas on the zone where welding has to be done. The dimensions of the nozzle are defined by its opening diameter and its length.The nozzle with small diameter permits the welder to see the molten weld pool. It operates at low rate of gas flow. The nozzle with large diameter gives a better shielding effect.

Tungsten electrode is covered with the nozzle...

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