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Author Question: What could happen if you charge liquid refrigerant into a chiller that is under a deep vacuum? A) ... (Read 121 times)

vicotolentino

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on: Jul 24, 2018
What could happen if you charge liquid refrigerant into a chiller that is under a deep vacuum?
 
  A) The refrigerant will flash at a low temperature, freeze the water, and crack the chiller tubes.
  B) The compressor motor amp draw will cause the motor overload to trip.
  C) The vacuum will draw in an excessive amount of refrigerant, causing an overcharge.
  D) The refrigerant will fractionate when it flashes off in the chiller.

Question 2

How can many water-source heat pump systems be configured to supply hot domestic water?
 
  A) By using de-superheating coils and water-circulating pumps built into many systems
  B) By adjusting the load EWT and LWT levels to a higher temperature, which ensures enough water for heating and domestic use
  C) By adjusting the power of the condenser and heat pump
  D) By lengthening the evaporator coil and attaching it to an electric hot-water heater


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xMRAZ

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

A

Answer to Question 2

A


vicotolentino

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Reply #2 on: Jul 24, 2018
Thank you!


xMRAZ

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Reply #3 on: Jul 24, 2018
Always glad to help...


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