A three-phase electrical tachometer consists of:

Question

ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Instrumentation - A three-phase electrical tachometer consists of:

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A three-phase generator, a synchronous motor and a magnetic tachometer.

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Three speed probes and a phonic wheel.

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A speed probe and a phonic wheel.

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Three associated dynamos.

ATPL: A three-phase electrical tachometer consists of: