Question

which of the following is not an example of an electric motor actuator?
a. idle air control valve
b. power window motor
c. electronic throttle plate
d. fuel injector

Explanation:

• An electric motor actuator uses an electric motor to create mechanical motion.
• a. Idle air control valves often use a small electric motor to adjust airflow.
• b. Power window motors are explicitly electric motor actuators for window movement.
• c. Electronic throttle plates are operated by an electric motor to control air intake.
• d. Fuel injectors use solenoids (electromagnetic actuators, not electric motors) to open/close and deliver fuel, so they are not electric motor actuators.

Answer:

d. Fuel injector