An arc welding machine uses a current of 1000a and has a
Give four reasons for performing surface treatments
An arc welding machine uses a current of 1000A and has a resistance of 0.5Ω. Given that the velocity of the arc is 1500mm/s, calculate the heat input of the welding process
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give four reasons for performing surface treatmentsan arc welding machine uses a current of 1000a and has a resistance
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