Assuming a straight line V-I characteristics for a dc welding generator, short-circuit current is 400 A and...

 Calculate the melting efficiency in case of arc welding of steel with a potential of 20 V and current...

Two steel sheets of thickness one mm are welded by resistance projection welding. A current of 30,000 A for...

In a resistance spot welding of two aluminum sheets each 2 mm thick, a current of 5000 A was passed for 0.1...