Electrical Engineering Interview Questions

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

1787

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2252

various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

2616

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

2371

I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

UPSC,

1673

what is unit of inductance

12115

work of choke in florocent tube circuit ?

Bhel,

1612

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

3284

I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

NCC,

1611

A 10 kva ,400v/200V , single phase transformer with 10% leakage impedance draws a steady short -circuit line current of

7467

i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

1385

what is the transformer turn ratio formula and give some examples?

1896

if installing the transformer why put the sprit the stone ?

2460

how to calculate the distance relay faulty zone?pls explain?

1553

explain transformer ct connection?

1574

Un-Answered Questions { Electrical Engineering }

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1414

why the India electrical supply transmission loss is high when compare to us

1526

Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

1510

which is better to use svc or synchronous condenser why ?

1310

what is meant by power and distribution transformer ?

1480

Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

1653

What is negative sequence over voltage element?

1391

How CFL &T5 tube light glows?

1563

How much of the total hydro power potential has been exploited so far in india?

585

can we synchronize star system generators with delta system generators?

1412

What is the general system requirement of alternator?

1264

How to address the servo drive for motor

1501

why we used ZNO in Lightning arrester.

1501

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1420

How to calulate Locked rotor amper(LRA) for compressor type motors?

1255