Periodic maintenance of direct current machines includes testing the insulation on the ____ and the armature with a megohmmeter.
A) brushes
B) coils
C) field windings
D) commutator bars

Question

Quizplus · Accepted Answer

Periodic maintenance of direct current machines involves testing the insulation on the field windings and the armature to ensure they are not breaking down or shorting out, which is crucial for the machine's performance and safety.

Periodic Maintenance of Direct Current Machines Includes Testing the Insulation