Question: 3 . During welding a power source rated at 7 5 KVA and 6 0 % duty cycle is used. The secondary voltage is constant

3.During welding a power source rated at 75 KVA and 60% duty cycle is used. The secondary voltage is constant at 50 Volts. During welding a job with current of 1200 A, the arc on time is100 min. The rest time (in min) given during welding operations is ___
3 . During welding a power source rated at 7 5

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