The pinion of an auxiliary diesel electric starting motor normally engages the flywheel ring gear by means of a/an __________.

Correct Answer: Option D — Bendix drive or similar mechanism

The Bendix drive utilizes a spring-loaded inertia pinion that automatically advances along a threaded sleeve to mesh with the flywheel ring gear when the starting motor spins, instantly disengaging via centrifugal force once the engine fires.