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Author Question: Which type of metering device is able to respond to changes in system operations? A) ... (Read 79 times)

TFauchery

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on: Jul 24, 2018
Which type of metering device is able to respond to changes in system operations?
 
  A) Hand-operated expansion valves B) Modulating metering devices
  C) Fixed metering devices D) Fixed valves

Question 2

The major concern with ammonia refrigerant is:
 
  A) It is much more expensive than halogenated refrigerants.
  B) It is poisonous and flammable.
  C) It can only be used with copper, brass, and aluminum.
  D) Its normal operating pressures are extremely high.


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14vl19

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

B

Answer to Question 2

B


TFauchery

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Reply 2 on: Jul 24, 2018
Excellent

kjohnson

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

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