1.

In an arc welding process, the voltage and current are 25 V and 300 A respectively. The arc heat transfer efficiency is 0.85 and welding speed is 8 mm/s. The net heat input (in J/mm) is

A. 64
B. 797
C. 1103
D. 79700
Answer» C. 1103


Discussion

No Comment Found

Related MCQs