What is the amount of electric energy required per kg in dc welding operation?

Related MCQs

• Match the following 1. Seam welding 1.rods and pipes of uniform cross section 2. Butt welding 2. Welding satellite tips to tools 3. Percussion welding 3. ERWpipeswelding Which of the following is true?
• In arc welding, the three elements to be controlled to obtain satisfactory welding operation are
• In welding symbol, if the symbol is above the baseline then the welding is to be done at
• Where the welding symbol is placed when the welding is to be done at the arrow side
• With an increase in the heatinput of arc welding method, how does it affectthe required current?
• Which of the following is an example of plastic welding?
• Which of the following is an example of fusion welding?
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• Arc welding machine uses only D.C. supply.