NEIEP 400 FINAL REVIEW EXPECTED QUESTIONS
WITH VERIFIED ANSWERS
Question 1.
What material should be used for seating brushes?
ANSWER
Sandpaper
Question 2.
Readings on the meter appear to be inaccurate, what should you do?
ANSWER
Test meter
Question 3.
A machine that converts mechanical energy into electrical energy
ANSWER
Generator
Question 4.
What is the purpose of interpoles in a motor?
ANSWER
Helps prevent neutral planes from shifting
Question 5.
In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor
component?
ANSWER
Motor Armature
, Question 6.
If you have leakage resistance to ground, what will you use to test?
ANSWER
Megger
Question 7.
What kind of device would you use to measure current without disconnecting wiring?
ANSWER
Clamp on ammeter
Question 8.
What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?
ANSWER
1200 RPM
Question 9.
Before attempting to measure resistance in an unknown resistor in a circuit, what must be done?
ANSWER
Isolate from one side
Question 10.
What is the method used to resolve residual magnetism to an exitor?
ANSWER
Flashing the field
Question 11.
What is the inherent current limiter present for a rotating motor armature called?
ANSWER
CEMF
WITH VERIFIED ANSWERS
Question 1.
What material should be used for seating brushes?
ANSWER
Sandpaper
Question 2.
Readings on the meter appear to be inaccurate, what should you do?
ANSWER
Test meter
Question 3.
A machine that converts mechanical energy into electrical energy
ANSWER
Generator
Question 4.
What is the purpose of interpoles in a motor?
ANSWER
Helps prevent neutral planes from shifting
Question 5.
In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor
component?
ANSWER
Motor Armature
, Question 6.
If you have leakage resistance to ground, what will you use to test?
ANSWER
Megger
Question 7.
What kind of device would you use to measure current without disconnecting wiring?
ANSWER
Clamp on ammeter
Question 8.
What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor?
ANSWER
1200 RPM
Question 9.
Before attempting to measure resistance in an unknown resistor in a circuit, what must be done?
ANSWER
Isolate from one side
Question 10.
What is the method used to resolve residual magnetism to an exitor?
ANSWER
Flashing the field
Question 11.
What is the inherent current limiter present for a rotating motor armature called?
ANSWER
CEMF
