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mayismqz mayismqz
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6 years ago
The most common fan used for moving air through ductwork in residential air conditioning is
 
  A) Forward curved centrifugal B) Backward curved centrifugal
  C) Vane axial D) Propeller

 Q. 2

How is the airflow adjusted on most commercial air handlers?
 
  A) By moving the speed tap on the blower motor
  B) By adjusting the pitch of the blades on the blower wheel
  C) By increasing or decreasing the voltage to the fan motor
  D) By adjusting the sheave on an adjustable pulley
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merana.potrosmerana.potros
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6 years ago
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mayismqz Author
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#2
6 years ago
I hope they're paying you for this because all of them were correct Grinning Face with Smiling Eyes
wrote...
#3
6 years ago
not really, just a volunteer... and you're welcome Wink Face
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