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Author Question: The control point classification of a sensor used to measure the status of a pressure switch is ... (Read 56 times)

saraeharris

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on: Jul 24, 2018
The control point classification of a sensor used to measure the status of a pressure switch is _____.
 
  a. analog input (AI)
  b. analog output (AO)
  c. discrete input (DI)
  d. discrete output (DO)

Question 2

With direct-acting solenoid valves, the port size of the valve is limited by _____.
 
  a. power limitations of the coil
  b. the refrigerant type
  c. the operating pressure
  d. the ambient temperature


ciecieme

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

c

Answer to Question 2

a


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