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Author Question: Mechanical ventilation is required if: A) Confined spaces B) Ceiling height is less than 16 feet ... (Read 53 times)

jrubin

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Mechanical ventilation is required if:
 
  A) Confined spaces B) Ceiling height is less than 16 feet
  C) Room is less than 10,000 cf per welder D) All of the above

Question 2

Gases produced by welding include:
 
  A) Ozone B) Nitrogen dioxide C) Carbon monoxide D) All of the above



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Chelseyj.hasty

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Answer to Question 1

D

Answer to Question 2

D




jrubin

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Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)


bbburns21

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Reply 3 on: Yesterday
Gracias!

 

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