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tyrich tyrich
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6 years ago
Carbon monoxide is formed
 
  A) Anytime gas is burned
  B) When the combustion air is at a high relative humidity
  C) When the flames are burning at a temperature exceeding the manufacturer's recommended maximum combustion temperature
  D) When the gas is not burning completely.

 Q. 2

Certified meters are marked as to their category rating on the _____.
 
  a. meter leads
  b. meter housing
  c. back plate of the meter
  d. title page of the operating instructions
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mas0375mas0375
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#1
6 years ago
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tyrich Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
njn;l
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Yesterday
This helped my grade so much Perfect
bkrandy
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2 hours ago
Good timing, thanks!
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