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Author Question: What is the most likely cause of flames that are lifting off the burner? A) Excessive combustion ... (Read 177 times)

Pea0909berry

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What is the most likely cause of flames that are lifting off the burner?
 
  A) Excessive combustion chamber draft B) Too much primary air
  C) Misaligned burner D) Too little primary air

Question 2

Velocity pressure readings are taken on a duct system by:
 
  A) Pointing the pressure-sensing tube perpendicular to the air stream.
  B) Subtracting the static pressure from the total pressure.
  C) Pointing the pressure-sensing tube into the airstream.
  D) Subtracting the total pressure from the static pressure.



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jrpg123456

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Answer to Question 1

B

Answer to Question 2

B





 

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