Question
Materials, Manufacturing & Industrial Engineering Question on Principles of welding, brazing, soldering and adhesive bonding
In an arc welding process, the voltage and current are 30V and 200A, respectively. The cross-sectional area of the joint is 20 mm2 and the welding speed is 5mm/s. The heat required to melt the material is 20 J/s. The percentage of heat lost to the surrounding during the welding process is ____(rounded off to 2 decimal places).
Answer
The correct answer is:66.00 to 67.00