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Author Question: A Category I furnace operates with a: A) High-temperature, positive-pressure vent. B) ... (Read 82 times)

azncindy619

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A Category I furnace operates with a:
 
  A) High-temperature, positive-pressure vent. B) High-temperature, negative-pressure vent.
  C) Low-temperature, negative-pressure vent. D) Low-temperature, positive-pressure vent.

Question 2

In a communicating system, control signals and information are exchanged:
 
  A) In one direction: from the master controller to all the components.
  B) Only when permission is granted by the operator.
  C) In both directions between the components and the communicating control.
  D) In one direction: from all the system components back to the communicating control.



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makaylafy

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Answer to Question 1

B

Answer to Question 2

C




azncindy619

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


amynguyen1221

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Reply 3 on: Yesterday
Wow, this really help

 

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