ASE A7 Heating Air Conditioning Practice Test

Diagram of A/C climate controls.

43. All of these statements are true about component A in the illustration above EXCEPT.

  • A. It is a two position actuator.
  • B. It contains a potentiometer.
  • C. It provides feedback to the controller.
  • D. It contains a variable resistor.
AC temperature blend door circuit diagram.


Answer A is correct. It's a variable-position actuator.

Answer B is wrong. A potentiometer is a type of variable resistor.

Answer C is wrong. The potentiometer provides door angle feedback to the controller.

Answer D is wrong. It contains a variable resistor.