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Electrical Engineering Interview Questions
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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

 2204

A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

DRDO,

2 4452

Why substation battery room is coulered black?

 1 3906

why Power transmssion voltages are as 11kV,33kV,66kV,220kV and so on only?

 2 5256

Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

MacLellan,

2 5949

why we use carbon brush in exciter&genrator?

ABB, SMC,

5 10267

what is the use of pmg in exciter?

 3 6776

what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

 1542

why we multiply 11 in High Electric supply?(eg.11KV, 33Kv, 330Kv etc.)

 3 5848

how is capacitor bank look like

 1914

HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

Areva,

4 18122

FOR ELECTRICAL TRANSMISSION TOWER WHAT SHOULD BE THE MINIMUM HEIGHT FROM THE GROUND? AND WHAT SHOULD BE THE DISTANCE BETWEEN THE TWO CONDUCTOR?

 1 6565

HOW TO CALCULATE THE WIRE SIZE FOR THE GIVEN LOAD?

 5 8186

WHAT IS THE USE OF STARTER AND CHOKE IN TUBE LIGHT?

Siemens,

1 4175

calculation of lad carryinc capacity of 6mm2 cross section wire in 415 voltage circuit. What will be the amps.

MAHINDRA,

1616

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Un-Answered Questions { Electrical Engineering }

What is difference between YNyn0 and YNyn ??

1795

what are the difference between AC lamp and DC lamp

1664

why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3177

How is the speed of a DC shunt motor related to the armature current?

662

i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1329




how line turns ratio changes in 3 phase with change in connection

1403

In CTs tan delta point should be earthed , what is the reason behind it?

2486

i need mat lab program to find out the transmission line losses,regulation and losses

1422

What is Load sharing of Transformer ?

1534

What are your future plans for the company if permanently employed?

1688

who invented active elements? plz give me the complte details of active elements...

1398

Give details on how you intend to handle a challenging position you are posted to manage unexpectedly as a company staff?

2870

Single line digram for 11 kV to distribution use go,la and do

1282

What is the size of a 60 watt and 80 watt tubelight?

1737

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

574

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