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How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?
2 6894while grounding the galvenized metallic structures is it necessary to remove the galvenization at the point of contact? Or other wise is the galvenizatio a good conductor?
1 3643Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?
6728hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?
1975while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?
ACC,
1 5813can someone explain that how the speed of the protection system affects the fault level calculation?
2090In one village i have seen Earthing transformer's earthing line was also connected to the Transformer body to ground the transformer,can it be possible to maintain 0Volt reutral line this way?
2 5351Post New Electrical Engineering Questions
What do you mean by pull of electromagnet?
how to changeover ups in this power failur time?
What is float cum boost charging system?
george phenomenon of synchronous machine
how does it help for selection of a transformer.
What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?
Advantage of LT panel vs HT panel
Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?
why star point of HT motor not earthed?
why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??
why all the feeders are designed in a particular manner ... is there any reason for that???
Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer
What is the maximum and minimum rating of UPS?
what are the reasons of CT circuit faulty in busbar protection scheme?
what are safety measures in /control in diesal engine/ explain them?
