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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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How long should hoses be purged?

To determine

The time should hoses be purged.

Explanation

Hoses are cylindrical in nature and used to carry fluid (generally gases in welding) from one place to another.

The gases should be turned off; while we are not using the hoses otherwise the dangerous phenomenon can be happen. The leak detection test for the hoses must be preformed periodically to check the leaks in the hoses and the hose should be purged to air till they are replaced by the gases.

Generally in welding operation, fuel gas hoses are kept red and have left hand threaded fitting. While oxygen hoses are kept green and they are right handed threaded fitting.

The hose must be purged to air until they are replaced by the gases.

Hoses are available in four sizes in the market...

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