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Author Question: The advantage of the backward-curved centrifugal fan over the forward-curved centrifugal fan is ... (Read 132 times)

Cooldude101

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on: Jul 24, 2018
The advantage of the backward-curved centrifugal fan over the forward-curved centrifugal fan is that:
 
  A) Backward-curved fans operate at lower RPM.
  B) Backward-curved centrifugal fans are well suited for small airflow quantities.
  C) Backward-curved fans are normally quieter in operation.
  D) Backward-curved fans are non-overloading.

Question 2

What happens if the steam trap at the outlet of a heating coil is stuck in the closed position?
 
  A) Steam flow through the coil will stop and the air temperature will be too low.
  B) Steam flow through the coil will be excessive and air temperatures will be too high.
  C) The steam coil will flood with condensate water.
  D) The boiler will stop producing steam.


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Melissahxx

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


Cooldude101

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Reply 2 on: Jul 24, 2018
Gracias!

Dominic

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Reply 3 on: Yesterday
Excellent

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