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539 - ATPL - The speed of an asynchronous four-pole motor fed at a frequency of 400 Hertz is:

Question 539 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

6000 revolutions per minute.
12000 revolutions per minute.
1600 revolutions per minute.
800 revolutions per minute.

Training tests and timed exam simulations ATPL - Airline Transport Pilot license