Question

The wire feed controls the amperage during the welding process. A control knob labeled in metric units shows a maximum wire-feed speed of 160 mm/sec. What is this maximum speed in inches per minute?The maximum speed is ___ inches per minute.

Answer 1

Answer: 378 inches per minute

Explanation:

We want to convert 160 ​mm/sec to inches per​ minute.

Recall,

1 mm = 0.03937 inches

1 second = 0.01667 minutes

Thus,

160 ​mm/sec = 160 x 0.03937 inches/0.01667 minutes

= 378 inches per minute