Question

In the AWS system of SMAW electrode designation, the next to the last digit refers to:

A. Polarity.

B. Electrode coating type.

C. Tensile strength.

D. Welding position.

Answer 1

In the AWS SMAW electrode designation, the next to the last digit specifies the welding position for which the electrode is suitable.

Step-by-step explanation:

In the AWS (American Welding Society) system of SMAW (Shielded Metal Arc Welding) electrode designation, the next to the last digit refers to the welding position suitability of the electrode.

This digit can be 1, which indicates an all-position electrode, 2 for flat and horizontal positions, or 4, which suggests that the electrode is suitable for flat, horizontal, vertical down, and overhead positions. Therefore, the correct answer to the student's question is D. Welding position.