NEIEP 400 Final review Exam Questions and Answers 100% Verified 2024

NEIEP 400 Final review Exam Questions and Answers 100% Verified 2024 What material should be used for seating brushes? - answerSandpaper Readings on the meter appear to be inaccurate, what should you do? - answerTest meter A machine that converts mechanical energy into electrical energy - answerGenerator What is the purpose of interpoles in a motor? - answerHelps prevent neutral planes from shifting In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? - answerMotor Armature If you have leakage resistance to ground, what will you use to test? - answerMegger What kind of device would you use to measure current without disconnecting wiring? - answerClamp on ammeter What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor? - answer1200 RPM Before attempting to measure resistance in an unknown resistor in a circuit, what must be done? - answerIsolate from one side What is the method used to resolve residual magnetism to an exitor? - answerFlashing the field What is the inherent current limiter present for a rotating motor armature called? - answerCEMF In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter usually protected? - answerFused What is the field protective relay in series with? - answerMotor shunt field What material is used as insulation between the commutator and the armature shaft? - answerMica What elements make up commutator film? - answerCopper oxide film, graphite film, free graphite particles and waters vapor components