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9- A220 Fire and Overheat Protection
Questions with Detailed Verified Answers
Question: When the Left or Right Engine Fire push switch is pushed what
components are affected?
Ans✅ ✅: 1. Arms both squibs for discharge
2. Engine fuel shutoff closes
3. Engine bleed air valve closes
4. Fan air valve closes
5. Hydraulic shut-off valve closes
6. Variable frequency generator
deactivates
Question: Where are the engine fire bottles located?
Ans✅ ✅: Wing to body fairing
Question: What happens when an APU fire is detected on the ground?
Ans✅ ✅: APU shutdown automatically and discharges the APU fire bottle after 10
seconds
Question: How many smoke detectors must detect smoke for a Cargo
fire warning is initiated?
Ans✅ ✅: 2
Question: How long does the Cargo compartment slow rate discharge
bottle last?
9- A220 Fire and Overheat Protection
Questions with Detailed Verified Answers
Question: When the Left or Right Engine Fire push switch is pushed what
components are affected?
Ans✅ ✅: 1. Arms both squibs for discharge
2. Engine fuel shutoff closes
3. Engine bleed air valve closes
4. Fan air valve closes
5. Hydraulic shut-off valve closes
6. Variable frequency generator
deactivates
Question: Where are the engine fire bottles located?
Ans✅ ✅: Wing to body fairing
Question: What happens when an APU fire is detected on the ground?
Ans✅ ✅: APU shutdown automatically and discharges the APU fire bottle after 10
seconds
Question: How many smoke detectors must detect smoke for a Cargo
fire warning is initiated?
Ans✅ ✅: 2
Question: How long does the Cargo compartment slow rate discharge
bottle last?