The use of flux is always required when soldering or brazing.

Name: The use of flux is always required when soldering or brazing.
Brand: Quizplus
Rating: 4.8 (53 reviews)

Question

Quizplus · Accepted Answer

Flux is commonly used in soldering and brazing to clean and prevent oxidation of the base and filler materials during the heating process, but there are situations where it may not be required, such as when using some flux-core solders or in controlled atmospheres that prevent oxidation.

The Use of Flux Is Always Required When Soldering or Brazing