56.
When mounting the generator in the chain vise, what precaution should be
observed? Never clamp over the
a.
stator housing.
b.
end bearing housing.
c.
thin shell housing.
57.
The tension on the pulley V-belts is adjusted by positioning the
a.
mounting bracket.
b.
pivot bracket.
c.
driving head.
58.
If the diameter of the generator pulley is 4 inches, what is the RPM of the
generator?
a.
Test stand RPM X 4
b.
Test stand RPM 4
c.
Test stand RPM
59.
If the diameter of the generator pulley is 3 inches and the test stand RPM is
6,000, what is the RPM of the generator under test?
a.
8,000
b.
6,000
c.
4,500
60.
The 2,666 RPM of the generator has been calculated.
The next step to be
performed is to adjust the
a.
drive speed control for 2,666 RPM.
b.
CAL PULLEY position.
c.
calibration control for 2,666 RPM.
61.
When the 60-ampere system is tested without the regulator, why must the
internal connections be Jumped with wires?
a.
To complete the stator circuit
b.
To complete the rectifier circuit
c.
To complete the field circuit
62.
When a generator is operated without a regulator, what precaution should be
observed if the DC voltmeter shows 28? The field current should be reduced
first if the
a.
load is to be increased.
b.
load is to be decreased.
c.
RPM is to be decreased.
63.
A generator is operated without a regulator.
No voltage or current except
that of the internal batteries is indicated.
What is the most likely trouble
area?
a.
Stator
b.
Rectifier
c.
Rotor
64.
What may be damaged if the output voltage exceeds 32 volts in the 60-ampere
system?
a.
Stator
b.
Rectifier
c.
Rotor
OS 010, 4-P21
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