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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 does the preheat flame become slightly oxidizing when the cutting lever is released?

To determine

Reasons behind the oxidization of preheat flame when the cutting lever is released.

Explanation

Set a cutting machine with all setting. Set the pressure for the tip size. Point the torch away from objects or other students. Start the acetylene valve with proper flow rate. Slowly start the oxygen valve for smoke free flame. Flame becomes carbonizing on depression of oxygen lever for cutting...

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