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Author Question: What sort of level adjustments may a technician make to a digital flue gas instrument? A) A flue ... (Read 134 times)

Yi-Chen

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What sort of level adjustments may a technician make to a digital flue gas instrument?
 
  A) A flue gas instrument has no level adjustments.
  B) The technician cannot make any level adjustments.
  C) The technician may adjust the pump in the unit.
  D) The technician makes all level adjustments.

Question 2

On a commercial refrigeration system with hot defrost, what does the compressor do during the defrost cycle?
 
  A) It shuts off.
  B) It cycles like it normally would.
  C) It operates to provide the heat for defrost.
  D) It runs backwards to pump hot gas into the evaporator.



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wfdfwc23

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Answer to Question 1

B

Answer to Question 2

C





 

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