Interested to Buy Any Domain ? << Click Here >> for more details...
Why we use Carbon & graphite mixxed brushes in the DC motor?
- 6 Answers
- 17334 Views
- I also Faced
- E-Mail Answers
Answer Posted / prasad
THE PURPOSE OF CARBON BRUSHES ARE TO POLISHING THE SURFACE
OF THE COMMUTATOR AND TO REDUCE THE REACTENCE AT THE
COMMUTATOR.
| Is This Answer Correct ? | 6 Yes | 6 No |
Post New Answer View All Answers
What is difference between Sample test and Routine test in safety standard?
Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
How Can You Relate Power Engineering With Electrical Engineering?
what is PID control in VFD drives?
how much allowable resistance that can be difference in motor all coils?
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
What would be the size of wire used for 2 Ton of window A.C?
How many types of electrical earthing are there?
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
How cmd is calculated in case of energy neters
If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines
what are problems caused by the pdu in rack server
