1.

What is the amount of electric energy required per kg in dc welding operation?(a) 1-4 kWh(b) 3-7 kWh(c) 4-9 kWh(d) 6-10 kWh

Answer» The correct option is (d) 6-10 kWh

Easy explanation: The amount of electrical energy consumed required per kg for a D.C. welding operation, is 6 kWh to 10 kWh. Direct current provides the advantage of distribution of the heat needed inside the arc.


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