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

 3 4783

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

MPSEB,

1 7883

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

 1 1946

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

CEB, Essar,

4 5243

In Panels Main Incomer considered should be TPN or FP?

 2 4432

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

 2 7786

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

 1 4080

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

 1411

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

 1523

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

 1417

what is difference between fuse and circuit breaker?

 4 6344

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

 2 3303

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

PI Industries, SRF,

1 30215

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

Hindalco,

2 4280

what is the lightning arrester rating for 3.3kv system voltage

 1 4069

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Un-Answered Questions { Electrical Engineering }

List out the the types of Mounting Light fixture?

1194

Is potential difference materials property ..? if yes tnen how.. explain brifly.

1523

How much voltage we need to apply in 33kv cable during hipot test of cable

395

How phase to phase voltage comes 440V.

1449

what will happens if one phase is missing for 33/11kv power transfomer and why?

2181




how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

1645

What are the types of transformers according to the arrangement of iron cores?

608

At what speed an electric car can run with 2 HP motor of weighing 400 kg?

1302

what is diff btw electric,magnetic & eletromagnetic field

1557

what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

3952

why ss stablity limit is more transient stablity limit?

1647

What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1620

what is the difference between 2 way and 4 pole selector switch???

1863

what are the preventive maintanance actions taken for air circuit breaker? please answer me

1555

How many double suspension hardware fittings are required on a double circuit transmission tower?

1404

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