A gas tungsten arc-welding operation is performed at a current of 500 A and voltage of 20 V. The melting factor f2 = 0.5
Posted: Thu Jul 14, 2022 1:25 pm
a) 350mm/sec
b) 950mm/sec
c) 450mm/sec
d) 550mm/sec
b) 950mm/sec
c) 450mm/sec
d) 550mm/sec