🔍 Key Concepts

• Study the symbols in the Auxiliary Machinery Flat on illustration D037SA and identify which fixed system actually serves that space (look for its label and piping). • Recall which types of fixed systems are normally used for machinery‑space oil/fuel fires versus for accommodation or deck areas (compare water/drenching vs gas systems like CO₂ or Halon). • Think about the difference between portable extinguishers in the space and the fixed system that protects the whole compartment.

💭 Think About

• Which extinguishing system symbol is drawn inside the Auxiliary Machinery Flat itself, and where does its pipe or discharge nozzle go? • For a serious, out‑of‑control machinery‑space fire involving oils or fuel, which type of fixed system would most effectively smother the fire without causing electrical damage? • Are any of the options (like plain H₂O or drenching) more appropriate for accommodation/galley areas than for enclosed machinery spaces with flammable liquids?

✅ Before You Answer

• Verify which fixed system label (e.g., CO₂, Halon, drenching) is actually marked in the Auxiliary Machinery Flat on the plan. • Confirm that the system you choose would fill or flood the entire compartment, not just cool a small area. • Make sure you are not picking a system that could spread oil on the surface or excessively damage machinery when a better, designed‑for‑the‑space system is clearly shown.