IIW IWP Practice Questions - IIW International Welding Practitioner (IWP) Exam

A welding power source is rated at 300 A at a 60% duty cycle. What does the 60% duty cycle mean?

The set can deliver 300 A continuously for any length of time The set can weld at 300 A for 6 minutes out of every 10-minute period The set delivers only 60% of 300 A, i.e. 180 A The set must rest for 6 minutes after every 4 minutes of welding

Correct Answer:

The set can weld at 300 A for 6 minutes out of every 10-minute period

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