MTTC Welding Trade Test Practice Questions - MTTC Trade Test - Fabrication And Welding (NCQF Level III, Botswana) Exam

Which shade number filter lens is standard for manual metal arc welding (SMAW) operating between 100 A and 150 A?

Shade 4 to 5 Shade 10 to 11 Shade 2 Shade 14 to 15

Correct Answer:

Shade 10 to 11

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