The control point classification of a sensor used to measure the ...

[saraeharris]

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]

Answer to Question 1

c

Answer to Question 2

a