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Questions and Answers
Why is it important to add the rod with a rhythmic dipping action during brazing?
Why is it important to add the rod with a rhythmic dipping action during brazing?
- To reduce the conductivity of the base metal
- To increase the temperature of the base metal
- To ensure the bead is built to a uniform width and height (correct)
- To speed up the brazing process
Why is it crucial to control the temperature of the base metal during brazing?
Why is it crucial to control the temperature of the base metal during brazing?
- To prevent the filler from boiling
- To achieve a non-porous and strong joint (correct)
- To avoid melting the base metal
- To ensure the base metal retains heat
What should be done to achieve even heating of the joint area during brazing?
What should be done to achieve even heating of the joint area during brazing?
- Apply heat only to one side of the assembly
- Increase the torch temperature
- Watch for uniform appearance change in the flux (correct)
- Heat up the filler rod before application
Why should heat be applied to the assembly on the side opposite to where the filler is applied?
Why should heat be applied to the assembly on the side opposite to where the filler is applied?
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Why does molten brazing filler metal tend to flow toward the area of higher temperature?
Why does molten brazing filler metal tend to flow toward the area of higher temperature?
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