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Author Question: How does air flow in a standing-pilot, natural-draft system? A) It relies on heat to pull air ... (Read 120 times)

RRMR

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How does air flow in a standing-pilot, natural-draft system?
 
  A) It relies on heat to pull air into the combustion chamber and a fan to remove flue gases.
  B) It relies on heat to decrease the convection of the air to pull air into the combustion chamber and force flue gases into the proper vent.
  C) It relies on a fan to pull the air into the combustion chamber and blow flue gases out.
  D) It relies on heat to increase the buoyancy of the air to pull air into the combustion chamber and force flue gases into the proper vent.

Question 2

If the air inlet to a centrifugal fan is restricted:
 
  A) The fan RPM will decrease. B) The fan operation will be unaffected.
  C) The fan motor current draw will increase. D) The fan motor current draw will decrease.



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maya.nigrin17@yahoo.com

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Answer to Question 1

D

Answer to Question 2

D




RRMR

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


diana chang

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Reply 3 on: Yesterday
Excellent

 

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