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Author Question: One operating advantage of fixed-restriction metering devices over expansion valves is: A) Can be ... (Read 69 times)

kaid0807

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on: Jul 24, 2018
One operating advantage of fixed-restriction metering devices over expansion valves is:
 
  A) Can be used with low starting torque compressor motors.
  B) Higher operating efficiency.
  C) Improved system control.
  D) Easier to adjust.

Question 2

What type of systems normally use crankcase pressure regulators?
 
  A) Commercial refrigeration applications with evaporator temperatures above 40F
  B) Any refrigeration system with a compressor that has a positive-pressure oil pump
  C) Primarily comfort cooling applications
  D) Low-temperature refrigeration applications such as walk-in and reach-in freezers


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hollysheppard095

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

A

Answer to Question 2

D


kaid0807

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

nyrave

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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