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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Aircraft General Knowledge - Airframe, Systems, Powerplant > When the electrical test switch of the described continuous-loop fire-detection system is operated, what is checked?

442 - ATPL Question Bank in English - When the electrical test switch of the described continuous-loop fire-detection system is operated, what is checked?

Question 442 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot Licence

The continuity of the sensing-element wiring and the control and warning circuits

Only the warning lamp, without checking sensing-loop continuity

The whole wire is heated.

A part of the wire is heated.

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