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Brazing Process Quiz

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Questions and Answers

What is the melting point requirement for the filler metal in brazing?

Exactly 450°C (840°F)
Varies depending on the base metals
Below 450°C (840°F)
Above 450°C (840°F) (correct)

What is the main advantage of brazing for joining metal parts?

Minimal heat distribution
High joint strength compared to welding
Ability to join dissimilar materials (correct)
Inability to join nonmetals to metals

What is a limitation of brazed joints compared to welded joints?

Joints strength is generally less than welded joint (correct)
Brazed joints have higher service temperature resistance
Brazed joints match the color of metal parts perfectly
Joints have equal strength to welded joints

What happens to the color of the metal in a brazed joint?

<p>The color may not match the color of metal parts (A)</p> Signup and view all the answers

What is required for the filler metal in brazing to wet the base metal surfaces?

<p>Capillary action (B)</p> Signup and view all the answers

Flashcards

Brazing Filler Metal Melting Point

The filler metal must have a melting point above 450°C (840°F).

Advantage of Brazing

Brazing can effectively join different types of metals together.

Brazed Joints Strength

Brazed joints usually have less strength compared to welded joints.

Color of Brazed Joint

The color of the filler metal in the brazed joint may not match the color of the base metal parts.

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Capillary Action in Brazing

For brazing to work, the filler metal needs to wet the base metal surfaces through capillary action.