Correct Answer:
Option C - These alarms start sounding automatically in the event of fire.
• It is used in large industrial building, which may remain unoccupied during night.
• The automatic fire alarm sends alarm to the nearest control point. The system can also perform the function of sending message to the nearest fire bridge station.
C. These alarms start sounding automatically in the event of fire.
• It is used in large industrial building, which may remain unoccupied during night.
• The automatic fire alarm sends alarm to the nearest control point. The system can also perform the function of sending message to the nearest fire bridge station.