NEIEP 400 Final Review/ Questions with
Definitive Solutions.
What material should be used for seating brushes? - Answer: Sandpaper
Readings on the meter appear to be inaccurate, what should you do? - Answer:
Test meter
A machine that converts mechanical energy into electrical energy - Answer:
Generator
Page 1 of 5
, What material is used as insulation between the commutator and the armature
shaft? - Answer: Mica
On the resistance scale of a digital meter, what does the lazy 8 symbol signify? -
Answer: Infinity
When some of the generator output is used to supply the field current how is the
generator described? - Answer: Self-exciting
When the multimeter is set to amps position the test leads are considered to be in
what state? - Answer: short circuit
What should resistance of an armature be when measured from commutator to
ground with brushes removed? - Answer: high resistance
What method of armature winding is used for high current applications? -
Answer: Lap winding
What should always be done to protect the meter from damage when measuring
unknown voltage? - Answer: Set to the highest range
Page 2 of 5
Definitive Solutions.
What material should be used for seating brushes? - Answer: Sandpaper
Readings on the meter appear to be inaccurate, what should you do? - Answer:
Test meter
A machine that converts mechanical energy into electrical energy - Answer:
Generator
Page 1 of 5
, What material is used as insulation between the commutator and the armature
shaft? - Answer: Mica
On the resistance scale of a digital meter, what does the lazy 8 symbol signify? -
Answer: Infinity
When some of the generator output is used to supply the field current how is the
generator described? - Answer: Self-exciting
When the multimeter is set to amps position the test leads are considered to be in
what state? - Answer: short circuit
What should resistance of an armature be when measured from commutator to
ground with brushes removed? - Answer: high resistance
What method of armature winding is used for high current applications? -
Answer: Lap winding
What should always be done to protect the meter from damage when measuring
unknown voltage? - Answer: Set to the highest range
Page 2 of 5
