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Ebridges85 Ebridges85
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6 years ago
The four categories of gas fired furnaces are based on
 
  A) Efficiency B) Flue gas temperature and pressure
  C) Firing rate D) Category of gas being burned

 Q. 2

CO2 is an inert gas.
 
  Indicate whether the statement is true or false
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MtnimpMtnimp
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6 years ago
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Ebridges85 Author
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#2
6 years ago
Happy Dummy I'm impressed
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