NEIEP 400 Final Review (all Answered Correctly) 2023-
2024
What material should be used for seating brushes? Correct Answer Sandpaper
Readings on the meter appear to be inaccurate, what should you do? Correct Answer
Test meter
A machine that converts mechanical energy into electrical energy Correct Answer
Generator
What is the purpose of interpoles in a motor? Correct Answer Help prevent neutral
plains from shifting
In the basic loop circuit generator armature supplies DC power to what DC elevator
hoist motor component? Correct Answer Motor armature
If you have leakage resistance to ground, what will you use to test? Correct Answer
Megger
What kind of device would you use to measure current without disconnecting wiring?
Correct Answer Clamp on ammeter
What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor? Correct Answer 1200
rpm
Before attempting to measure resistance in an unknown resistor in a circuit, what must
be done? Correct Answer isolate from one side
What is the method used to resolve residual magnetism to an exitor? Correct Answer
Flashing the field
What is the inherent current limiter present for a rotating motor armature called? Correct
Answer CEMF
In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter
usually protected? Correct Answer Fused
What is the field protective relay in series with? Correct Answer Motor shunt field
What material is used as insulation between the commutator and the armature shaft?
Correct Answer Mica
What elements make up a proper commutator film? Correct Answer Copper oxide film,
graphite film, free graphite particles and waters vapor components
, What does it mean when saturation occurs? Correct Answer Holds all the magnetic
lines of flux that it can hold
What kind of meter would you use to detect a ground in the armature coils? Correct
Answer Ohmmeter
When should lubrication of motor bearings be done? Correct Answer Not running
What would be the result if a meter set to current and connected to a voltage source?
Correct Answer Blow fuse
When commutation is good, what color is the commutator? Correct Answer Chocolate
What is a precision shunt used for measuring? Correct Answer Current
On a reversible D.C. door operator motor, what angle is the brush mounted? Correct
Answer Radially, straight up and down
What is the significance of the meter specification of ohms per volt? Correct Answer
Internal resistance of the meter at specific voltage range
On the resistance scale of a digital meter, what does the lazy 8 symbol signify? Correct
Answer Infinity
When some of the generator output is used to supply the field current how is the
generator described? Correct Answer Self-exciting
When the multimeter is set to amps position the test leads are considered to be in what
state? Correct Answer short circuit
What should resistance of an armature be when measured from commutator to ground
with brushes removed? Correct Answer high resistance
What method of armature winding is used for high current applications? Correct Answer
Lap winding
What should always be done to protect the meter from damage when measuring
unknown voltage? Correct Answer Set to the highest range
According to NIDA addiction is: Correct Answer a chronic, relapsing disease that is
characterized by compulsive drug seeking and use, despite harmful consequences
NIDA Correct Answer National Institute of Drug Abuse
ASAM Correct Answer American Society of Addiction Medicine
2024
What material should be used for seating brushes? Correct Answer Sandpaper
Readings on the meter appear to be inaccurate, what should you do? Correct Answer
Test meter
A machine that converts mechanical energy into electrical energy Correct Answer
Generator
What is the purpose of interpoles in a motor? Correct Answer Help prevent neutral
plains from shifting
In the basic loop circuit generator armature supplies DC power to what DC elevator
hoist motor component? Correct Answer Motor armature
If you have leakage resistance to ground, what will you use to test? Correct Answer
Megger
What kind of device would you use to measure current without disconnecting wiring?
Correct Answer Clamp on ammeter
What is the synchronous speed of 3 phase, 60 Hz, 6 pole motor? Correct Answer 1200
rpm
Before attempting to measure resistance in an unknown resistor in a circuit, what must
be done? Correct Answer isolate from one side
What is the method used to resolve residual magnetism to an exitor? Correct Answer
Flashing the field
What is the inherent current limiter present for a rotating motor armature called? Correct
Answer CEMF
In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter
usually protected? Correct Answer Fused
What is the field protective relay in series with? Correct Answer Motor shunt field
What material is used as insulation between the commutator and the armature shaft?
Correct Answer Mica
What elements make up a proper commutator film? Correct Answer Copper oxide film,
graphite film, free graphite particles and waters vapor components
, What does it mean when saturation occurs? Correct Answer Holds all the magnetic
lines of flux that it can hold
What kind of meter would you use to detect a ground in the armature coils? Correct
Answer Ohmmeter
When should lubrication of motor bearings be done? Correct Answer Not running
What would be the result if a meter set to current and connected to a voltage source?
Correct Answer Blow fuse
When commutation is good, what color is the commutator? Correct Answer Chocolate
What is a precision shunt used for measuring? Correct Answer Current
On a reversible D.C. door operator motor, what angle is the brush mounted? Correct
Answer Radially, straight up and down
What is the significance of the meter specification of ohms per volt? Correct Answer
Internal resistance of the meter at specific voltage range
On the resistance scale of a digital meter, what does the lazy 8 symbol signify? Correct
Answer Infinity
When some of the generator output is used to supply the field current how is the
generator described? Correct Answer Self-exciting
When the multimeter is set to amps position the test leads are considered to be in what
state? Correct Answer short circuit
What should resistance of an armature be when measured from commutator to ground
with brushes removed? Correct Answer high resistance
What method of armature winding is used for high current applications? Correct Answer
Lap winding
What should always be done to protect the meter from damage when measuring
unknown voltage? Correct Answer Set to the highest range
According to NIDA addiction is: Correct Answer a chronic, relapsing disease that is
characterized by compulsive drug seeking and use, despite harmful consequences
NIDA Correct Answer National Institute of Drug Abuse
ASAM Correct Answer American Society of Addiction Medicine
