What elements make up a proper commutator film?
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Copper oxide film, graphite film, free graphite particles and waters vapor
components
When should lubrication of motor bearings be done?
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Not running
, Before attempting to measure resistance in an unknown resistor in a circuit, what must
be done?
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isolate from one side
When some of the generator output is used to supply the field current how is the
generator described?
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Self-exciting
When commutation is good, what color is the commutator?
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Chocolate
In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter
usually protected?
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Give this one a try later!
Copper oxide film, graphite film, free graphite particles and waters vapor
components
When should lubrication of motor bearings be done?
Give this one a try later!
Not running
, Before attempting to measure resistance in an unknown resistor in a circuit, what must
be done?
Give this one a try later!
isolate from one side
When some of the generator output is used to supply the field current how is the
generator described?
Give this one a try later!
Self-exciting
When commutation is good, what color is the commutator?
Give this one a try later!
Chocolate
In order to protect internal circuits, how is the 10 amp input jack on a digital multimeter
usually protected?
Give this one a try later!
