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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 6847

In 3phase power= Root*3*v*i*cos@ What is the power in 2phase....??? and Derive it

Essar,

3 10168

What is the difference between KV,KVAR,KVA,KW?

L&T, PowerHouse, YUI,

6 59298

how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 4342

how you can select circuit breaker for 2000kva transformer?

TATA,

9 23588

What are the applications that use Solid State Drives in your home?

L&T,

1 5919

In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2228

what is the function of generator exciter

NTPC,

11 68325

One of the advantages of HRC fuse links is that they can be used to back up equipment with an inadequate rupture rating. briefly discuss what this means

1 5757

What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers

3 13882

WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?

10 34027

In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.

FLSmidth, Focus, PSEB,

9 42646

How to Calculate the maximum Demand required for a connected load for a manufacturing Plant

6 81871

How to design harmonic filter at the project stage without nowing the harmonics levels

2178

How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

1 4033

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Un-Answered Questions { Electrical Engineering }

I want single line diagram for AMF & DG syncronizing panel

7142

How can we increase fuel-power ratio of any DG set?

1776

What is advantages of VSCF wind electrical system?

2291

Why auxiliary transformers are not connected in parallel in primary stations?

1388

what is mean by dual digital protection in the relay field?

1897

List advantges of active filter over passive filter?

1058

why effective resistance should be more than static resistance in transmission line?

2055

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2084

How can we calculate the KVA rating of a Distribution transformer from its core details?

2018

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1939

what are the possible reaons & remedies if resistance of NGR getting heat up

1803

hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /

1926

what is effect of leading power facter on the system and billing

2269

As an electrical engineer what are the responsibilities which i can hold in TCS?

2169

what is a bus post insulator? explain its application in a substation.

12538

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