ATPL: The transmitter of RPM indicator may consist of:1- a magnetic sensor supplying an induced AC voltage 2- a DC generator supplying a DC voltage3- a single-phase AC generator supplying an AC voltage4- a three-phase AC generator supplying a three-phase voltage The combination regrouping all the correct statements is:
Domanda 138, Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license