Moisture accumulating in electric motors and generator windings having a cold insulation resistance greater than 50,000 ohms may be baked out with internal heat. This heat can be developed by __________.

A.feeding current into the windings at low voltage
B.short circuiting the armature and field windings
C.short circuiting the field windings and passing current through the armature
D.obtaining current from a DC source such as an electric welder and feeding it into the armature while running the motor at full speed

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MCQ.Marinesite

Moisture accumulating in electric motors and generator windings having a cold insulation resistance greater than 50,000 ohms may be baked out with internal heat. This heat can be developed by __________.

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