AS 1796 Certificate 10 Practice Questions - Weld Australia AS 1796 Certificate 10 Welding Supervisor Exam

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Which of the following electrical characteristics is required for a manual metal arc welding (MMAW) power source to maintain a relatively stable current despite fluctuations in arc length?

Constant current (drooping) characteristic Constant voltage (flat) characteristic Rising voltage characteristic Alternating current high-frequency characteristic

Correct Answer:

Constant current (drooping) characteristic

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