Answer: Stainless steel
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Answer: Excessive pillling up of weld metal, overlapping without penetration of edges, wasted electrodes
Answer: 420o C
Answer: Too small bead, weak weld, and wasted electrodes
Answer: Excessive spatter, under cutting along edges, irregular deposits, wasted electrodes
Answer: Excessive piling up of weld metal, poor penetration, wasted electrodes
Answer: Formation of large globules in an irregular pattern because of wandering of arc, leading of poor fusion with base petal
Answer: Electrode sticking to the base metal and base metal not melting and bead resting on top of the work, leading to poor fusion and gas and slag holes
Answer: Diameter of electrode rod (d)
Answer: 0.15 % carbon steel
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