Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

JSW,

2338

Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 4140

what are the settings is there for ABB REM543 Generator Protection Relay

1 6753

On PVC conduit the class "A" "B" or "C" is marked what does it shows. Either its thickness or its composition?

2 5408

why do harmonics generata?

1 4422

XYZ

ASD Lab,

2195

what is AVP?

2 5765

why do we carry out winding resistance test?

MahaGenco, MAHINDRA,

2345

in traction which type of supply are used

APGenco, Construction,

15 18716

Explain the term parallel path in dc machin ?

UPSC,

2261

what is working of Master trip relay ?

9 43974

What is working of Trip Ckt.Supervision Relay?

1 7235

1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?

Bosch,

2747

What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

2357

Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?

2 7007

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Un-Answered Questions { Electrical Engineering }

what is the function of capacitor duty contactor in an capacitor panel???

4202

How can I calculate ISF of current transformer?

3705

define superposition theorem thevnin theorem ,norton theorom?

2459

internally connection of photvoltic module

1988

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2868

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2356

I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

1715

If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

1938

circuit diagram of trip circuit supervision relay

2099

is there any current and voltage drop on liquid resistance starter water/soda tank ?

2049

How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

2078

write a program that prints prime numbers from 1-20 in digonal form

2062

Transmission through a short line depends on

2325

How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

2294

how to do the ductor test?

7103

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