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Author Question: How is the minimum circuit ampacity (MCA) calculated for an air-conditioning unit with more than one ... (Read 219 times)

codyclark

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on: Jul 24, 2018
How is the minimum circuit ampacity (MCA) calculated for an air-conditioning unit with more than one motor?
 
  A) The amp draws of all the motors are added and multiplied by 1.25.
  B) The amp draws of all the motors are added up.
  C) The amp draw of each motor is multiplied by 1.25 and then summed.
  D) The largest motor amp draw is multiplied by 1.25 and the other motor amp draws are added to it.

Question 2

What type of refrigerant must leave the cylinder as a liquid to prevent the separation of the different components in refrigerant?
 
  A) Azeotropic mixtures B) Comlb
  C) Zeotropic mixtures D) All refrigerants


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shayla

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

D

Answer to Question 2

C


codyclark

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Reply 2 on: Jul 24, 2018
Excellent

diana chang

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Reply 3 on: Yesterday
Gracias!

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