22.
With an ohmmeter connected between the sliprings on the rotor, a high
resistance reading indicates
a.
an open field winding.
b.
a shorted field winding.
c.
a grounded field winding.
23.
It is not practical to check the stator windings
a.
with the diode rectifiers disconnected.
b.
for shorts due to low resistance.
c.
for opens due to high resistance.
24.
Which is easily determined?
a.
Shorted delta winding
b.
Shorted Y (wye) winding
c.
Open Y (wye) winding
25.
What forward and reverse ohmmeter readings indicate a serviceable diode?
a.
Both readings are above 300 ohms
b. Both readings are below 300 ohms
c. One very low and one very high reading
26.
To disassemble the drive end bearing
a.
the regulator does not need to be removed.
b.
apply force to inner race to avoid damage.
c.
apply force to outer race to avoid damage.
27.
When installing the rotor, a special tool is inserted into the intermediate
housing to prevent damage to the
a.
sliprings.
b.
intermediate seal.
c.
diode heat sinks.
28.
Sliprings may be polished with very fine
a.
steel wool.
b.
emery cloth.
c.
sandpaper.
29.
After polishing the sliprings, they and the rotor should be cleaned
a.
with compressed air.
b.
by soaking in solvent.
c.
with soft lint-free cloth.
30.
If a brush spring tension is 10 ounces, what is the spring length?
a.
1/2 inch
b.
1 inch
c.
1-1/2 inches
OS 010, 2-P18
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