Sensors and Actuators Quiz

What is a feedback loop in an automated system?

• A process where the system continuously monitors and adjusts its actions

• A method of communication between two systems

• A type of actuator response

• A way to increase sensor accuracy

What is the purpose of acoustic sensors in security monitoring?

• To detect light changes

• To detect sound waves and convert them into electrical signals

• To monitor air pressure

• To capture video footage

Which of these is an example of an infrared sensor application?

• Glass-break detection

• Motion detection

• Vibration sensing

• Smoke detection

Pressure mats are commonly used for which security purpose?

• Detecting smoke

• Detecting when someone steps on them

• Measuring the temperature

• Monitoring air quality

What is the main function of proximity sensors in security systems?

• To detect sound waves

• To detect the presence of an object or person

• To measure air pressure

• To detect vibrations

Which sensor is used in gaming for motion-sensing technology?

• Acoustic sensor

• Infrared sensor

• Proximity sensor

• Pressure sensor

How do smart lighting systems use motion sensors?

• To detect sound

• To detect when someone enters or exits a room

• To measure temperature changes

• To track the time of day

What is the role of actuators in a smart lighting system?

• Detect movement

• Switch lights on or off

• Measure temperature

• Capture video footage

What type of sensor is used to detect glass breaking?

• Pressure sensor

• Acoustic sensor

• Temperature sensor

• Light sensor

Which sensor is commonly used in parking systems to detect obstacles?

• Temperature sensor

• Ultrasonic sensor

• Pressure sensor

• Infrared sensor