S95 Fire Alarm System Components

Question 1

What type of smoke detector uses an optical sensor to detect smoke?

Accepted Answer

Photoelectric Smoke Detector

Answer

A Photoelectric Smoke Detector operates by using a light source and a photosensitive sensor. When smoke enters the chamber, it scatters the light, directing it towards the sensor, which then triggers the alarm. This type of detector is particularly effective at sensing large, slow-moving particles typically produced by smoldering fires.

Question 2

Which type of fire alarm system allows for integration with other building systems such as HVAC and lighting to enhance emergency response?

Accepted Answer

Integrated Fire Alarm System

Answer

An Integrated Fire Alarm System is designed to communicate and coordinate with other building management systems, such as HVAC, lighting, and security. This integration allows for a more comprehensive and efficient emergency response, enabling actions like shutting down ventilation, activating emergency lighting, or unlocking doors automatically during a fire event.

Question 3

What is the primary function of a fire alarm control panel?

Accepted Answer

To receive signals from detectors and initiate the alarm and notification sequence

Answer

The fire alarm control panel (FACP) acts as the "brain" of the fire alarm system. Its primary function is to continuously monitor all connected detectors and manual pull stations. Upon receiving a signal indicating a fire, the FACP processes this information and initiates the appropriate alarm and notification sequence, alerting occupants and emergency services.

Question 4

Which type of fire alarm system component provides visual and audible alarms to alert occupants of a fire?

Accepted Answer

Notification Appliance

Answer

Notification appliances are the components of a fire alarm system specifically designed to alert building occupants of a fire or other emergency. These include audible devices like horns and speakers, and visual devices like strobes, ensuring that all individuals, including those with hearing impairments, are effectively warned.

Question 5

What is the function of a fire alarm system's relay module?

Accepted Answer

To interface with other building systems, such as HVAC or security systems

Answer

A fire alarm system's relay module serves as an interface, allowing the fire alarm control panel to communicate with and control other building systems. For example, it can be programmed to shut down HVAC systems to prevent smoke spread, unlock doors for evacuation, or activate emergency lighting upon alarm activation.

(S95) Supervision of Fire Alarm System Practice Test

(S95) Supervision of Fire Alarm System Practice Test

S95 Fire Alarm System Components