Author Question: A duty cycle is the percentage of a 10-minute period during which a welding machine can continuously ... (Read 32 times)

stock · **on:** Jul 24, 2018

A duty cycle is the percentage of a 10-minute period during which a welding machine can continuously
_____.

a. maintain a constant voltage as the output current varies
b. produce a constant current over a wide voltage range
c. produce its rated amperage without overheating
d. establish an arc between the end of the wire electrode and the workpiece

Question 2

If the tongue and lace area of a welder's safety shoes are exposed, the welder should _____.

a. add cotton boot covers
b. wear leather spats or chaps
c. position the exposed area away from the arc
d. use shielding gas to protect the exposed area