2026 Update) Questions and Verified
Answers 100% Correct {Grade A}
If current carrying wire is placed perpendicular to a field by two magnets of opposite
polarity what happens? -correct answer Conductor is moved at right angles to the
flux from the magnetic poles
Inherent current-limiter present for a rotating armature? -correct answer CEMF
Elementary AC generator has what that DC doesn't? -correct answer Split rings
What provides the connection for the ends of the armature coils to the commutator?
-correct answer Riser
Neutral plane is? -correct answer The point in a coils rotation where zero voltage is
induced
Field that has only a few turns of heavy wire? -correct answer Series
Armature reaction can be compensated for by using? -correct answer Interpoole
windings
What are two circuits of a separately-excited generator called? -correct answer The
field and armature circuit
In a DC series generator current flows only when? -correct answer There is a load
, NEIEP 400 Final Review (Latest 2025 /
2026 Update) Questions and Verified
Answers 100% Correct {Grade A}
An elevator that travels faster in the up direction when it is fully loaded that it does
when it is empty is _________-compounded -correct answer Over
A shunt generators output drops as load is? -correct answer Increased
Generator series field is connected in parallel with? -correct answer Series field shunt
Series field Is connected is series with? -correct answer Armature
Final acceleration step for a hoist motor? -correct answer Weakening the shunt field
what type of generators pole pieces become excited by residual magnetism? -correct
answer Self excited
Most common cause of commutator problems? -correct answer Brush pressure too
light
Tranformer eddy currents cause -correct answer core losses
DC motor speed is changed by? -correct answer Varying the motor field or armature
voltage