NEIEP 400 Final review

7 NEIEP 400 Final review 1.What material should be used for seating brushes?ANS Sandpaper 2.Readings on the meter appear to be inaccurate, what should you do?ANS Test meter 3.A machine that converts mechanical energy into electrical energy ANS Genera- tor 4.What is the purpose of interpoles in a motor?ANS Help prevent neutral plains from shifting 5.In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? 1 / 2

7 ANS Motor armature 6.If you have leakage resistance to ground, what will you use to test?ANS Megger 7.What kind of device would you use to measure current without disconnect- ing wiring?ANS Clamp on ammeter 8.What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?ANS 1200 rpm 9.Before attempting to measure resistance in an unknown resistor in a circuit, what must be done?ANS isolate from one side 10.What is the method used to resolve residual magnetism to an exitor?ANS -