Q8
(a) Explain the working principle of a hyper mist fire suppression system on ships. How does this system differ from traditional water-based fire suppression methods?
(8)
(b) Discuss the installation, maintenance, and testing requirements for a hyper mist system on board ships. How does regular upkeep ensure the system's effectiveness in an emergency?
(8)
Reference Answer
### Part (a): Working Principle and Comparison of Hyper Mist Systems #### Working Principle of Hyper Mist Fire Suppression A high-pressure water mist system, often referred to as a hyper mist system, extinguishes fires using very fine water droplets produced at high pressure. The principle is based on a three-fold effect that attacks all sides of the fire tetrahedron (Heat, Fuel, Oxygen, Chemical Reaction). 1. **Primary Mechanism: Rapid Cooling (Heat Removal)**
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