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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why the LED of my electrical meter glows even after the line has gone. what actually the reason?

3 3712

What is the high tension lines voltage and low tension lines voltage?33 kv is high tension line or low tension.

MPSEB,

1 7281

why a motor overheated stops to rotate ?????

1 1332

for which possible reasons a motor can fail to start??

CEB, Essar,

4 4062

In Panels Main Incomer considered should be TPN or FP?

2 3730

Why 5kv megger used to megger 6.6kv motor or 33kv transformer why not 500v?

2 6668

Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 3362

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1013

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1149

what is the difference between 4pole & 6pole DC Motors & give advantage ?

1057

what is difference between fuse and circuit breaker?

4 5331

what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 2565

what is the difference between normal motor and flame proof motor??

PI Industries, SRF,

1 22275

Is LV shorted in magnettic balance test?If yes why?

Hindalco,

2 3393

what is the lightning arrester rating for 3.3kv system voltage

1 3059


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Un-Answered Questions { Electrical Engineering }

what is saturation kit?which use above 15 kw motors panel side.

2961


What is the purpose of stand by earth fault protection for transformer ?

1145


how works inductive &capacitive sensors?

1141


use of choke in APFC panels

4131


Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

802






Tell me all plants load factors i.e which plant operating on which load?

1183


what is servo motor and how it works?

1380


diff b/w normal grounding and resistance grounding

1024


sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

974


Why neutral is not used in three phases dol starter

1013


What are the uses of stepper motor?

263


what is the ms flat constant for calculating earth mat design calculation?

1581


Difference between Lugs and Thimbles

8846


i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

1325


What is the difference between voltages or potential difference? And what are they?

226