Marine Electrical Systems USCG Question #773 (Set 26)

Assuming that a cumulatively compounded DC motor is fitted with interpoles and compensating windings, normally how is the direction of rotation in such a DC motor reversed?

Official USCG Answer & Rule Citation

Correct Answer: Option B — By reversing the armature-interpole-compensating winding leads as a unit.

Under USCG National Maritime Center examination standards, the accepted correct answer is: By reversing the armature-interpole-compensating winding leads as a unit..

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