question_answer

Consider the following statements:

1. in arc welding, 65% to 75% heat is generated the anode.

2. Duty cycle in case of arc welding is the cycle of complete-welding of work piece from the beginning.

3. Arc blow is more common with DC welding.

Which of the statements given above are correct?

A) 1, 2 and 3                     

B) 1 and 2

C) 2 and 3            

D) 1 and 3