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Braze Pool, Braze Welding, and Brazing

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Questions and Answers

What is the key difference between braze welding and brazing?

The temperature at which the filler metal is melted

The types of metals being joined

The use of a filler metal to fill a gap (correct)

The melting point of the base metals

In braze welding, at what temperature is the filler metal melted?

Below 500° F (260° C)

Between 840° F (450° C) and the base metals' melting point (correct)

Above 1000° F (537° C)

At 800° F (427° C)

What characteristic of copper makes it suitable for welding processes?

High melting point

Corrosion resistance (correct)

Low ductility

Thermal conductivity

What is capillary action in the context of brazing?

The filler metal being drawn into the space between workpieces Signup and view all the answers

What is a butt joint in metalworking?

A joint formed by joining two pieces edge to edge Signup and view all the answers

Which process uses an oxyfuel torch to separate metal from a workpiece?

Cutting Signup and view all the answers

What is the purpose of a flashback arrestor in an oxyfuel outfit?

To reduce the chances of flashback occurring while a torch is used. Signup and view all the answers

What role does a filler metal play in fusion welding?

Adds to the strength and mass of the welded joint. Signup and view all the answers

What can happen if there is a flashback in an oxyfuel torch?

An explosion can occur. Signup and view all the answers

What is the purpose of a flux in welding?

To protect the weld puddle and solid metal from atmospheric contamination. Signup and view all the answers

What is the function of an injector in an injector torch?

Pulls low-pressure acetylene into the torch and mixes it with oxygen. Signup and view all the answers

What type of joint is formed by joining the edges of two pieces of metal that are parallel to each other?

Edge joint Signup and view all the answers