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Manual metal arc welding is to be used for welding two plates each measuring 800x200x19mm. given that

Length of weld: 180mm

Length of electrode: 450mm

Diameter of electrode: 50mm

Diameter of electrode: 3mm

Weld reinforcement area: 10%

Spatter and other losses: 15%

Root gap = land = 2mm

Angle of groove : 600

Estimate the required number of electrodes for the weld.

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