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Arc Welding (SMAW) Quiz

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Questions and Answers

What is the coating of the filler rod in shielded-metal arc welding (SMAW) made of?

Powdered cellulose, oxides, carbonates, and silicate binder (correct)

Iron, steel, and manganese

Rubber, plastics, and metal powders

Tungsten, copper, and aluminum oxide

Why is shielded-metal arc welding (SMAW) considered versatile but not automatable?

High cost of equipment

Complexity of the process

Limited length of the electrode (correct)

Requirement of specialized training

What is the purpose of the shielding gas in gas metal arc welding (GMAW)?

To remove impurities from the base metal

To cool down the welding area

To provide protection for the weld from atmospheric contamination (correct)

To increase the speed of the welding process

What must be done to the melted flux or slag at the weld in shielded-metal arc welding (SMAW)?

<p>It must be removed by chipping before another pass should be made over the weld</p> Signup and view all the answers

What is the composition of the consumable wire electrode in gas metal arc welding (GMAW)?

<p>(0.8 to 6.5 mm diameter)</p> Signup and view all the answers

Study Notes

Shielded-Metal Arc Welding (SMAW)

The coating of the filler rod in SMAW is made of flux, which protects the arc and molten metal from the atmosphere.
SMAW is considered versatile because it can be used in various applications, such as repair and maintenance work, but not automatable because it requires manual skill and dexterity.

Gas Metal Arc Welding (GMAW)

The purpose of the shielding gas in GMAW is to protect the arc and molten metal from the atmosphere, preventing porosity and oxidation.
The consumable wire electrode in GMAW is typically composed of a solid wire made of the desired metal alloy.

Post-Welding Process in SMAW

After welding, the melted flux or slag at the weld in SMAW must be chipped off to reveal the weld surface.

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Description

Test your knowledge on shielded-metal arc welding (SMAW), also known as stick welding, with this quiz. Learn about the process, consumable electrode, and filler metal composition.