Why do air-handling units require field adjustment during the ...

[deesands]

Why do air-handling units require field adjustment during the commissioning phase?
 
  A) The performance requirements of the blower cannot be determined in advance.
  B) Manufacturing errors that affect blower performance are common.
  C) To match the blower performance to the system requirements
  D) Air-handling units normally do not require field adjustment.

Question 2

Draining a small fraction of circulating water from the tower sump to prevent the buildup and concentration of scale forming minerals is called:
 
  A) Sump purging. B) Draindown. C) Blowdown. D) Desalinization.

[reversalruiz]

Answer to Question 1

C

Answer to Question 2

C

[deesands]

Thank you!

[reversalruiz]

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