Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
Publisher: Cengage Learning
ISBN: 9781305494695

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
Publisher: Cengage Learning
ISBN: 9781305494695


Chapter 31, Problem 20R
Textbook Problem

Why is a neutral flame the most commonly used oxyacetylene flame used?

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Chapter 31 Solutions

Welding: Principles and Applications (MindTap Course List)
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Ch. 31 - Why are combination welding and cutting torches...Ch. 31 - What is the advantage of using an injector-type...Ch. 31 - What should be done to the valve packing if the...Ch. 31 - What may happen to a tip seat if it is incorrectly...Ch. 31 - What can happen to a tip if it is excessively...Ch. 31 - What is the difference between a reverse flow...Ch. 31 - What are Siamese hoses?Ch. 31 - Why must the pressure be bled off hoses when work...Ch. 31 - What is the difference between a backfire and a...Ch. 31 - Why is a neutral flame the most commonly used...Ch. 31 - What properties should a good leak-detecting...Ch. 31 - Why must the oxygen cylinder valve be opened all...Ch. 31 - How long should hoses be purged?Ch. 31 - What should be done with cylinders that have...Ch. 31 - How should the spark lighter be held to light a...Ch. 31 - Once the torch is lit, why must the acetylene flow...Ch. 31 - What type of piping can be used for a manifold...Ch. 31 - What elements make up all hydrocarbons?Ch. 31 - What are the separate parts that make up an...Ch. 31 - Use Table 31-3 to determine which fuel gas...Ch. 31 - Approximately how long would it take a 50/50...Ch. 31 - Use Table 31-4 to determine which fuel gas has the...Ch. 31 - How is acetylene produced?Ch. 31 - Why is it not safe to use acetylene above 15 psig...Ch. 31 - Use Table 31-5 to determine the largest tip...Ch. 31 - Where is the highest temperature and where is the...Ch. 31 - Use Table 31-6 to determine what would be the...Ch. 31 - What are methylacetylene-propadiene fuel gases...Ch. 31 - Use Table 31-7 to determine which oxygen fuel-gas...Ch. 31 - Which fuel gas has the strongest odor and is...Ch. 31 - What is the major advantage of using propane or...Ch. 31 - Use Table 31-8 to determine which fuel gas would...Ch. 31 - What two major safety problems does hydrogen...Ch. 31 - Why should coat hangers not be used as gas welding...Ch. 31 - Explain the significance of the AWS filler metal...

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