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Author Question: ECM motor speed is controlled by: A) The frequency and the number of poles. B) The voltage ... (Read 197 times)

123654777

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ECM motor speed is controlled by:
 
  A) The frequency and the number of poles.
  B) The voltage applied to the motor.
  C) Pulses of DC power sent by the control module to the windings.
  D) Which speed winding is connected.

Question 2

As the outdoor ambient temperature increases, the required superheat:
 
  A) Increases.
  B) Decreases.
  C) Stays the same.
  D) Outdoor ambient temperature does not affect superheat.



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bbburns21

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Answer to Question 1

C

Answer to Question 2

B




123654777

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Reply 2 on: Jul 26, 2018
:D TYSM


gcook

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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