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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 not safe to use acetylene above 15 psig (100 kPag)?

To determine

The reason of acetylene cannot be used above 15psig(100kPag).

Explanation

Acetylene C2H2 is used with oxygen to be produced high-temperature flame. Acetylene is lighter and colourless gas. It smells like garlic. It is produced by a mixture of calcium carbide and water. The carbon of calcium carbide and hydrogen of water forms acetylene which bubbles out from the solution.

Acetylene is used in cutting, brazing, hard-surfacing, welding, and heating because it produces high-temperature heat flame by mixing with oxygen.

Acetylene may cause an explosion above the critical pressure or temperature. The acetylene is unstable at pressure above 15psig(100kPag)

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