Control System Components Quiz

In a home air conditioner, what acts as the sensor?

• Compressor

• Temperature thermostat

• Blower motor

• Remote control

In a cruise control system, what generates the actuating signal?

• Speed sensor

• Controller

• Throttle

• Brake

In a servo motor system, which part is the actuator?

• Motor

• Error detector

• Feedback sensor

• Power supply

In an automatic electric iron, what provides feedback?

• Heating coil

• Thermostat

• Power cord

• User

In a water level controller in a tank, what is the sensor?

• Float switch

• Pump

• Water tap

• Pipe

In an elevator system, what is the actuator?

• Floor button

• Motor

• Position sensor

• Display panel

In a room heater with thermostat, what is the controller?

• Thermostat

• Heater coil

• Blower

• Fan

In an automatic door system, what senses a person’s presence?

• Motor

• Infrared sensor

• Door leaf

• Lock

In a refrigerator, what is the controlled variable?

• Power consumption

• Compressor speed

• Temperature inside

• Light inside

In a CNC machine, what is the actuator?

• Cutting tool

• Stepper motor

• Operator

• Control panel