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What type of alarms do fire protection systems utilize?

  1. Only smoke alarms

  2. Only heat alarms

  3. Supervisory, alarm, and trouble signals

  4. Only carbon monoxide alarms

The correct answer is: Supervisory, alarm, and trouble signals

Fire protection systems are designed to ensure the safety of individuals and property by detecting and responding to fire hazards. The correct answer, which identifies supervisory, alarm, and trouble signals, is comprehensive and reflects the multi-faceted nature of modern fire protection systems. Supervisory signals are used to monitor the operational status of the fire protection system, ensuring that all components are functioning correctly. Alarm signals indicate the presence of smoke, heat, or fire, alerting occupants and authorities to potential dangers. Trouble signals indicate a problem within the system, such as a malfunction or a loss of power, requiring immediate attention to ensure ongoing safety. This integrated approach allows fire protection systems to provide early warning of a fire and to maintain a state of readiness, thus significantly enhancing safety measures in buildings. Single-type alarms, such as smoke or heat alarms, while important, do not encompass the full range of functionalities that comprehensive fire protection systems provide.