What does a control loop do in a heating system?

• It turns off the radiators once the temperature is too high.

• It sends messages to the sensor to maintain the temperature.

• It feeds back information from the sensor to the controller.

• It constantly increases the room temperature.

What is the role of the temperature sensor in a heating system control loop?

• To increase the temperature.

• To adjust the thermostat settings.

• To measure the actual temperature and send feedback to the controller.

• To turn the heating off automatically.

When does the controller turn off the radiators in a heating system?

• When the temperature reaches the desired level.

• When the room is empty.

• When it is too hot outside.

• When the electricity is cut off.

What type of system is a control loop also called?

• Open loop.

• Feedback loop.

• Automated loop.

• Sensor loop.

In a smart home, which of the following can proximity sensors control?

• Security alarms.

• Temperature levels.

• Lighting systems.

• Ovens.

What do proximity sensors detect in a home?

• The room temperature.

• The presence or movement of people.

• The contents of a refrigerator.

• The humidity level.

How do security systems in smart homes typically notify homeowners?

• By turning off the lights automatically.

• By sending messages to their smartphones.

• By shutting down the control system.

• By adjusting the home's temperature.

What is one advantage of having a smart home?

• It increases energy use.

• It provides manual control over all systems.

• It allows remote control of home systems like heating and security.

• It turns off the internet during the night.

Which of these devices is commonly used in smart homes to detect intruders?

• Video cameras and proximity sensors.

• Ovens and fridges.

• Lights and thermostats.

• Televisions and sound systems.

What type of sensors are used to control heating systems in homes?

• Pressure pads.

• Temperature sensors.

• Motion detectors.

• Light sensors.