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Pandabearsrlyfe Pandabearsrlyfe
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6 years ago
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

 Q. 2

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

 Q. 3

A carbon steel ring, with a piece of soft metal bolted across the middle of the ring is a _____.
 
  a. steam target
  b. test tree
  c. slip blind
  d. blind flange
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ir_nizamir_nizam
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6 years ago
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6 years ago
My teacher is very rude and likes to speed his way through a lesson without letting the class ask questions. Thank you for helping me. You're a life saver Slight Smile
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