21-12. (H) Protection and Detection Systems

All questions: 29

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Questions for exams: 20

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Random 5 questions:
1. The bimetal strip detectors of an engine fire detection system:
1) are arranged in series
2) are arranged in parallel
3) open during a fire
4) close during a fire
The combination containing all of the correct statements is:

2. Continuous loop fire detector systems operate on the principle that an increase in temperature produces:
3. When the fire handle of the engine fire-extinguishing system of an aircraft is pulled, the effects are:
1) closing of the LP valve of the fuel system
2) opening of the air bleed valves and HP valves on the engine concerned
3) setting of extinguishing systems
4) closing of the isolation and de-icing valves
5) isolation of the associated electric current generators
6) immediate discharge of extinguishing agent
The combination regrouping all the correct statements is:

4. The principle of operation of firewire is:
5. When a continuous loop wire type fire detection system is tested: