🔍 Key Concepts

• Fixed CO₂ fire extinguishing system layout and safety principles • Regulatory requirement to be able to operate the system from a safe location outside the protected space • Risk of crew being exposed to CO₂ flooding if controls are inside the space

💭 Think About

• Which option best reflects the safety idea that you should be able to discharge CO₂ without being inside a space that might fill with gas? • Look for the choice that ensures there is still a means of operating the system if the protected space is inaccessible or unsafe. • Ask yourself: if I had to activate the CO₂ system during an intense fire, where would I need the controls to be so I am not trapped or exposed?

✅ Before You Answer

• Verify which option clearly provides remote operation from outside the protected space. • Eliminate any choice that would allow only internal controls with no external backup. • Check that the selected option matches typical fire protection practice found in 46 CFR requirements for fixed gas fire extinguishing systems (location of controls).