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 principle operation of transformer?

9 10366

What is the numerical quantity of sqcm?

1965

Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

SSS,

1946

what is onan, onaf, ofan, ofaf in transformer?

8 97346

for a 5hp motor to operate from 100kva generator ,what size of cable required in sqmm.

DSC, Indraprastha Gas Limited IGL, UltraTech,

2 9063

how much capacity(rating) of generator required to operate a load of 100kv.

DSC,

6 9488

how works inductive &capacitive sensors?

1923

How do i calculate sizing of transformer on didstrubution load for high rise building.What should be MVA Rating of MV Panel feding by 122 kv.

2 5816

WHAT IS THE NECESSITY OF GIVING PARTICULAR COLOURS FOR 3 PHASE TRANSFORMERS.....

5 7180

(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

2055

Can we manually synchronize two DG sets of same ratings manually without using speed biasing ? If yes then how?

4 8753

How to calculate Ith (I thermal) for curent transformer

2051

how to syncronize two dg sets

3 7434

What is difference between 3 point and 4 point starter

Genco, Kaltec, TATA,

1 4543

substation+ plc system

2017

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Un-Answered Questions { Electrical Engineering }

my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

2013

In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1916

what are the breakdown voltage rating of mini- curcuit'transfarmer!

2129

what is difference between elr and R eartl realy.

2600

What is the high series capacitance winding on high voltage power transformer ?

2128

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

1807

why three phase capacitor takes unbalanced current in capacitor bank?

1442

Why is a synchronous motor always star connected??

2557

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

2207

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

2628

can anyone send me some sample question regarding power grid corp

2166

all interview questions with answers of ntpc (2000-2009

2171

If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?

2276

what is the control circuit for operating the clean room air shower

2222

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

2126

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