Question

Example 4.1 Calculate the melting efficiency in arc welding of steel with are voltage of 20V and
welding cument of 2001. The travel speed is Sms and the cross-sectional area of the joint is
20mm'. Heat required to melt sleel mur be taken as 10l jour and the heal transfer elficiency as 0.85​

Answer 1

the answer is 2001 is dispensed the trouble with some new coast its beaches meet and that is correct

and if wrong i don't know now because i learned that when i was a college