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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 a good idea for a new student welder to use the gas nozzle even if a shielding gas is not used?

To determine

To discuss: The reason that student welders should use gas nozzle even if a shielding gas is not used.

Explanation

If the welding is carried which do not require shielding gas the nozzles can be installed to restrict from any injuries. The students running welding operation should use nozzles for gas supply.This provides clear view of gas moving from the cylinder to the nozzle. Students are suggested to use contact tube while performing welding operations, which helps in protection from the spark developed. To provide additional safety from the electrical short, contact students are provided with contact tube. Students can touch the welding work by using this tube, short occur may destroy the tube...

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