Excessive motor vibration is caused by

February 7, 2022

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Excessive motor vibration is caused by

Q. Excessive motor vibration is caused by

A. Too much brush tension

B. Worn bearings

C. Open armature coil

D. Bent shaft

Answer: Worn Bearing

Excessive motor vibration is caused by

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A DC shunt motor is running at 1200 RPM when excited with 220 V dc. Neglecting the losses and voltage drop of the motor when connected to a 175 V supply is

Excessive motor vibration is caused by

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Two series motors are mechanically coupled. One machine is run as a motor and the other as a generator. The iron and friction losses of the machines will be identical when

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