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NEIEP 400 FINAL STUDY GUIDE QUESTIONS AND ANSWERS 100% CORRECT!!

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What material is used to insulate the commutator from the armature shaft? - ANSWER Mica Which motor uses a stator to act as a rotating field? - ANSWER AC induction motor - ANSWER How do you restore magnetism to an exciter? - ANSWER Flashing the field (battery) What circuit is used for preventing build-up of circulating current when the generator field is de-energized? - ANSWER Suicide What color should a commutator be? - ANSWER Chocolate brown Do you have to disconnect wires when using a clamp on meter? - ANSWER No What are the 4 things that make up the commutator film? - ANSWER -copper oxide -water vapor -graphite particles -graphite film W


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