NEIEP 400 Final Exam Review (2023 – 2024) With Complete Solution
Sandpaper - CORRECT ANSWER-What material should be used for seating
... [Show More] brushes?
Test meter - CORRECT ANSWER-Readings on the meter appear to be inaccurate, what should you do?
Generator - CORRECT ANSWER-A machine that converts mechanical energy into electrical energy
Help prevent neutral plains from shifting - CORRECT ANSWER-What is the purpose of interpoles in a motor?
Motor armature - CORRECT ANSWER-In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component?
Megger - CORRECT ANSWER-If you have leakage resistance to ground, what will you use to test?
Clamp on ammeter - CORRECT ANSWER-What kind of device would you use to measure current without disconnecting wiring?
1200 rpm - CORRECT ANSWER-What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?
isolate from one side - CORRECT ANSWER-Before attempting to measure resistance in an unknown resistor in a circuit, what must be done?
Flashing the field - CORRECT ANSWER-What is the method used to resolve residual magnetism to an exitor?
CEMF - CORRECT ANSWER-What is the inherent current limiter present for a rotating motor armature called?
Fused - CORRECT ANSWER-In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter usually protected?
Motor shunt field - CORRECT ANSWER-What is the field protective relay in series with?
Mica - CORRECT ANSWER-What material is used as insulation between the commutator and the armature shaft?
Copper oxide film, graphite film, free graphite particles and waters vapor components - CORRECT ANSWER-What elements make up a proper commutator film?
Holds all the magnetic lines of flux that it can hold - CORRECT ANSWER-What does it mean when saturation occurs?
Ohmmeter - CORRECT ANSWER-What kind of meter would you use to detect a ground in the armature coils?
Not running - CORRECT ANSWER-When should lubrication of motor bearings be done?
Blow fuse - CORRECT ANSWER-What would be the result if a meter set to current and connected to a voltage source?
Chocolate - CORRECT ANSWER-When commutation is good, what color is the commutator?
Current - CORRECT ANSWER-What [Show Less]