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Author Question: Mechanical ventilation is required if: A) Confined spaces B) Ceiling height is less than 16 feet ... (Read 13 times)

jrubin

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on: Jul 26, 2018
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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Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

D


jrubin

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Reply 2 on: Jul 26, 2018
Gracias!

xiazhe

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Reply 3 on: Yesterday
Excellent

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