When using multiple SAW arc systems (twin wires etc), the arcs often have different polarities or use all AC rather than DC polarity, this is to? a) Prevent arc blow between arcs b) To maximize productivity c) To even out the power factor on the mains supply d) Make it easier to initiate the arc

When using multiple SAW arc systems (twin wires etc), the arcs often have different polarities or use all AC rather  than DC polarity, this is to?
a) Prevent arc blow between arcs b) To maximize productivity c) To even out the power factor on the mains supply d) Make it easier to initiate the arc
by

2 Answers

Answer :

b) To maximize productivity
by

Answer :

a) Prevent arc blow between arcs
by

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