Comprehensive and Detailed Step-by-Step Explanation:
Deluge Systems:
Adeluge systemis a fire sprinkler system in which all sprinklers are open, and water is discharged simultaneously when activated by a separatedetection system(e.g., heat or smoke detection).
Key Characteristics of a Deluge System:
Sprinkler heads are open, with no heat-sensitive element.
The piping isnot pressurized with wateruntil the detection system activates the deluge valve.
Commonly used inhigh-hazard areaslike aircraft hangars or flammable liquid storage facilities.
Other Options Explained:
Option A (Wet-pipe system):Pipes are filled with water, and only heat-activated sprinklers discharge water.
Option B (Dry-pipe system):Pipes contain air or nitrogen; water enters after a sprinkler activates.
Option C (Preaction system):Combines elements of dry-pipe and detection systems but does not discharge from all open sprinklers.
Summary:Adeluge systemdischarges water fromopen sprinklersactivated by adetection system.
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