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Electrical Engineering Interview Questions
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to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

 1375

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

 1359

How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

Siemens,

7 21206

What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

Pricol,

5 8213

If we connect capacitor in series DC supply so what happened?

 4 7802

if we supply DC power to AC transformer then what its result?

 15 12402

can d.c.transformer exist? if yes then what its max. rating?

 6 6230

give me atleast four differences between circuit and network

 1547

how to calculate the cable size

 3 5395

why motor burns ?

 5 6801

What is correction factor in Tan delta test?

 1 7616

effect of single phase transformer on full load current?

 2 3409

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 5383

How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

Adama University,

4 5137

figure of phasor diagram of transformer when full load or no load ?

Swastik, TCS,

1 10730

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Un-Answered Questions { Electrical Engineering }

how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

1710

HOE WE CAN IMPROOVE BY USE OF CAPACITOR

1348

what is a types of short circuit and what is a types of distance protection tests

1548

Where voltage are high and current to be interrupted is low the breaker preferred is:

1563

What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1394




What is the percentage loss for aluminium wire for HT line more than 11KVa

1495

What is Control & Relay Panel? And Remote Control Center?

1552

What is the role of feedback in a closed loop control system?

504

Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1355

Please define ampere?

489

it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1391

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1283

what is the purpose of bypass mode in energy lighting transformer?

1876

what type of earthing do for dry fissure rock?

1862

please send me previous year questions of jspl through which i could prepare myself for the test.

1224

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