0 votes
69 views
asked in production by (215k points)
Autogeneous gas tungsten arc welding of a steel plate is carried out with welding current of 500A, voltage of 20V, and weld speed of 20mm/min. Consider the heat transfer efficiency from the arc to the weld pool as 90%. The heat input per unit length (in kJ/mm) is

(a) 27                          (b) 35

(c) 45                          (d) 55

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.3k users

...