Red Seal Welding Practice Exam

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What do the letters 'GS' mean in an ER70S-GS electrode?

General Strength
Global Standards
General Standard
Intended for single pass only

The correct answer is: Intended for single pass only

The letters 'GS' in an ER70S-GS electrode stand for Gas Shielded Single Pass. This means that the electrode is specifically designed and intended for single pass welding, and requires a gas shielding process to protect the weld from atmospheric contamination. Options A, B, and C are all incorrect as they do not accurately describe the purpose or use of the 'GS' letters in this specific electrode type.