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Author Question: Hot-surface ignition units A) substantially increase an electric bill. B) are powered by 220 V. ... (Read 69 times)

jerry coleman

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Hot-surface ignition units
 
  A) substantially increase an electric bill. B) are powered by 220 V.
  C) operate for only a few minutes per day. D) are standard ignition systems.

Question 2

When welding pipe for procedure qualification or welder qualification, tack welds may be placed at positions ________ where the test pieces are taken.
 
  A) approximately B) Located precisely C) Other than D) none of the above



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jennafosdick

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Answer to Question 1

C

Answer to Question 2

C





 

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