Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer
3163We have AC-transformer 110/13.8kv,40MVA.If DC-Voltage=110kv is applied in its primary what will happen?
6 6831what is the opencircuit tes &short circuit test in transformers ,why you need this test, in poen your connecting which votmeter why?
1 3739in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
1530if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?
2 3186WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
L&T,
1656Post New Electrical Engineering Questions
which of the following elements is not present in stainless steel
what is dry and wet frequency withstand voltage? why & where it is used??
HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel
Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?
i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.
Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above
I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.
what is the meaning of vcc
why should small green grass ans small plant should not be there inside the transformer Yard in the factories
If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link
What is the application of Dyn1 and Dyn11 vector group of transformer?
How to calulate Locked rotor amper(LRA) for compressor type motors?
what happened when we supply a dc current in dc motor?? can it worked properly?
What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.