Excessive sparking at the brushes may be caused due to

February 7, 2022

6 Views

Excessive sparking at the brushes may be caused due to

Q. Excessive sparking at the brushes may be caused due to

A. Unequal Space

B. Dirt in commutator

C. Overload

D. All of the above

Answer: All of the above

Excessive sparking at the brushes may be caused due to

Previous

The greatest percentage of power loss in a d.c. motor is due to ………………..

Excessive sparking at the brushes may be caused due to

Next

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

Related Articles

D.C. generators are installed near the load centres to reduce

D.C. generators are installed near the load centres to reduce

Which of the following loss in a D.C. generator is dissipated in the form of heat?

Which of the following loss in a D.C. generator is dissipated in the form of heat?

Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

Which of the following losses are significantly reduced by laminating the core of a D.C. generator ?

Which of the following losses are significantly reduced by laminating the core of a D.C. generator ?

We will be happy to hear your thoughts

Leave a reply Cancel reply

You must be logged in to post a comment.