Exam 28: Filler Metal Selection

​Metal core arc welding electrodes are similar to what other type of electrodes?

In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s): ____.

____ indicates a composite electrode.

Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.

____ indicates a rod that is heated by some other source other than electric current flowing directly through it.

Which of the following is a function of the core wire?

In the AWS specification for stainless steel-covered arc electrodes, following the prefix, the three-digit AISI stainless steel number is used to indicate ____.

As the percentage of ____ increases, tensile strength, toughness, and corrosion resistance increase.

____________________ gases prevent the atmosphere from contaminating the weld metal as it transfers across the arc gap.

Explain arc blow and when it occurs.