What Should Be Done to the End of the Filler

question 3

Multiple Choice

What should be done to the end of the filler rod if it becomes oxidized?

• A) The end of the rod should be cut off.
• B) Melt it off before it is going to be added to the weld pool.
• C) Get a new piece of filler metal to restart the weld.
• D) Nothing, the oxides are lighter than the weld metal and will float on top of the weld pool.

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Definitions:

Notch Filter

A filter designed to remove or significantly reduce the strength of a specific frequency or range of frequencies from a signal.

Band-rejection

A filter that blocks frequencies within a certain range, allowing frequencies outside that range to pass through.

Bandpass Filter

An electronic device or circuit that allows signals between two specific frequencies to pass through while attenuating signals at frequencies outside this range.

Series Resonance

A condition in a series circuit when the inductive and capacitive reactances cancel each other out, leading to a maximum circuit current at a specific frequency.