Sri Lanka NVQ Level 3 Welder Written Examination Practice Questions - Sri Lanka NVQ Level 3 Welder Written Examination (TVEC DTET) Exam

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What is the recommended minimum filter lens shade number for Shielded Metal Arc Welding (SMAW/MMAW) when using an arc current of 100 to 150 Amperes?

Shade 5 Shade 8 Shade 10 Shade 14

Correct Answer:

Shade 10

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