A duty cycle is the percentage of a 10-minute period during which ...

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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

[ebenov]

Answer to Question 1

c

Answer to Question 2

b

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Gracias!

[adammoses97]

Excellent