NEIEP 400 Final Review|29 Actual
Questions and Answers|Verified
Sandpaper - -What material should be used for seating brushes?
-Test meter - -Readings on the meter appear to be inaccurate, what should you do?
-Generator - -A machine that converts mechanical energy into electrical energy
-Help prevent neutral plains from shifting - -What is the purpose of interpoles in a motor?
-Motor armature - -In the basic loop circuit generator armature supplies DC power to what
DC elevator hoist motor component?
-Megger - -If you have leakage resistance to ground, what will you use to test?
-Clamp on ammeter - -What kind of device would you use to measure current without
disconnecting wiring?
-1200 rpm - -What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?
-isolate from one side - -Before attempting to measure resistance in an unknown resistor in
a circuit, what must be done?
-Flashing the field - -What is the method used to resolve residual magnetism to an exitor?
-CEMF - -What is the inherent current limiter present for a rotating motor armature
called?
-Fused - -In order to protect internal circuits, how is the 10 amp input jack on a digital
multimeter usually protected?
-Motor shunt field - -What is the field protective relay in series with?
-Mica - -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 - -
What elements make up a proper commutator film?
-Holds all the magnetic lines of flux that it can hold - -What does it mean when saturation
occurs?
-Ohmmeter - -What kind of meter would you use to detect a ground in the armature coils?
-Not running - -When should lubrication of motor bearings be done?
Questions and Answers|Verified
Sandpaper - -What material should be used for seating brushes?
-Test meter - -Readings on the meter appear to be inaccurate, what should you do?
-Generator - -A machine that converts mechanical energy into electrical energy
-Help prevent neutral plains from shifting - -What is the purpose of interpoles in a motor?
-Motor armature - -In the basic loop circuit generator armature supplies DC power to what
DC elevator hoist motor component?
-Megger - -If you have leakage resistance to ground, what will you use to test?
-Clamp on ammeter - -What kind of device would you use to measure current without
disconnecting wiring?
-1200 rpm - -What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?
-isolate from one side - -Before attempting to measure resistance in an unknown resistor in
a circuit, what must be done?
-Flashing the field - -What is the method used to resolve residual magnetism to an exitor?
-CEMF - -What is the inherent current limiter present for a rotating motor armature
called?
-Fused - -In order to protect internal circuits, how is the 10 amp input jack on a digital
multimeter usually protected?
-Motor shunt field - -What is the field protective relay in series with?
-Mica - -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 - -
What elements make up a proper commutator film?
-Holds all the magnetic lines of flux that it can hold - -What does it mean when saturation
occurs?
-Ohmmeter - -What kind of meter would you use to detect a ground in the armature coils?
-Not running - -When should lubrication of motor bearings be done?
