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Author Question: What is subcooling? A) Lowering liquid refrigerant temperature below its saturation temperature ... (Read 116 times)

plus1

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on: Jul 24, 2018
What is subcooling?
 
  A) Lowering liquid refrigerant temperature below its saturation temperature
  B) Lowering refrigerant temperature by flashing some of it off to a gas, cooling the remaining liquid
  C) Lowering refrigerant temperature below 0F
  D) Lowering refrigerant temperature below freezing

Question 2

Why do standard-design thermostatic expansion valves need a minimum pressure drop to operate correctly?
 
  A) To ensure that the pin seats tightly during operation
  B) The internal adjustment springs have a minimum required torsion
  C) The bulb will not sense temperatures below 100 psig
  D) The pressure difference across the pin acts as an opening force


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Anna

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

A

Answer to Question 2

D


plus1

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Reply #2 on: Jul 24, 2018
Thanks


Anna

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Reply #3 on: Jul 24, 2018
Welcome :)


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