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Author Question: Tests that a technician can make to check the operation of an electronic control include A) ... (Read 62 times)

storky111

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Tests that a technician can make to check the operation of an electronic control include
 
  A) checking the amp draw of the board's components
  B) checking the resistance of the integrated circuit
  C) applying an oscilloscope to analyze the signal waveforms
  D) measuring voltage at the input and output points on the control

Question 2

It is important to the HVACR technician to understand the changes of state of matter because:
 
  A) NATE certification exams require a good understanding of the Periodic Table of Elements.
  B) The refrigerant recovery process requires a technician to know which state the matter is in to ensure that only like refrigerants are put into a recovery container.
  C) Technicians are required to mix refrigerants to attain proper pressures and temperatures when charging refrigeration systems.
  D) The cooling and heating process requires a change of state of matter in some form.



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ms_sulzle

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Answer to Question 1

D

Answer to Question 2

D




storky111

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Reply 2 on: Jul 27, 2018
Wow, this really help


amcvicar

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

 

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