In resistance welding of a lap joint of two mild steel sheets of 1.5 mm thickness, a current of 10000 Amp . is passed for a period of 0.1 second. The effective resistance of the jointis 120 micro ohms . The density of steel is 0.00786 g/mm3and heat required to melt is 1381 J/g. The joint can be considered as a cylinder of 5 mm diameter and 2 .25 mm height . Calculate the percentageof heat distributed to the surrounding.
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In resistance welding of a lap joint of two mild steel sheets of 1.5 mm thickness, a current of 10000 Amp . is passed for a period of 0.1 second. The effective resistance of the jointis 120 micro ohms . The density of steel is 0.00786 g/mm3and heat required to melt is 1381 J/g. The joint can be considered as a cylinder of 5 mm diameter and 2 .25 mm height . Calculate the percentageof heat distributed to the surrounding.
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