8th Edition

ISBN: 9780176919764

Author: Jeffus

Publisher: VST

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Corrosion may be defined as the method in which metals are attacked on their exteriors by gases existing in the atmosphere, converting them to their oxides, nitrides, sulfides, etc.

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Textbook Question

Chapter 13, Problem 7R

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

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Chapter 13, Problem 6R

Chapter 13, Problem 8R

Chapter 13 Solutions

EBK 3I-EBK: WELDING PRINCIPLES & APPLIC

Ch. 13 - Why is it important to make sure that an FCA...Ch. 13 - What major safety concerns should an FCA welder be...Ch. 13 - Why should the FCA welding practice plates be...Ch. 13 - Why should the FCA welds be of substantial length?Ch. 13 - What must be done to a shielding gas cylinder...Ch. 13 - What can happen to the wire if the conduit is...Ch. 13 - Why is it a good idea for a new student welder to...Ch. 13 - Why is the curl in the wire end straightened out?Ch. 13 - What problems can a high-feed roller pressure...Ch. 13 - Referring to Table 13-1, answer the following a....

Ch. 13 - What are the disadvantages of beveling plates for...Ch. 13 - What is the maximum plate thickness that an FCS...Ch. 13 - What is the smallest V-groove angle that can be...Ch. 13 - What is the purpose of the root pass?Ch. 13 - Why is the FCA welding process not used for...Ch. 13 - Why should convex weld faces be avoided?Ch. 13 - What bead pattern is best for overhead welds?Ch. 13 - Why is the appearance of the cover pass so...Ch. 13 - What are the visual inspection standard's...Ch. 13 - Why is the backing strip 2 in. (50 mm) longer than...Ch. 13 - Why should there be a space between the plates...Ch. 13 - What would a small notch at the root weld's...Ch. 13 - What changes should be made in the setup for...Ch. 13 - What problem must be overcome if the amperage and...Ch. 13 - How can higher welding speeds help control...Ch. 13 - How can spatter buildup on the welding gun be...

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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?

Solution Summary: The author explains that student welders should use gas nozzle even if a shielding gas is not used. Students are suggested to use contact tube while performing welding operations, which helps in protection from the spark developed.

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Chapter 13 Solutions