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 effect of unbalaced load -- say R 15A, Y 25A, B 10A

TransWorks,

4 9858

what is the technical diffrences of mccb and acb

TransWorks,

11 23641

can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

Essar, Oracle,

12 21349

how we can calculate the transformer size.

Avalon, Edison, Hyundai,

21 69309

what is derating factor in Cable ? how we minimise this?

Bhel, College School Exams Tests,

18 119214

what is the meaning of rms value

Fitter, IOCL, OCL,

24 45182

Can u tell me the name of books of transformer testing?

6 11240

In winter we seem lightly an electric shock when we touch to doors(sometime)

Infosys, REL,

13 22675

Briefly describe your ideal job?

L&T, LPGCL, ONGC,

3019

why did youi choose this career?

KTB, ONGC,

2252

what do you know about electrical

15 17025

what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?

ACC, L&T, Sri Biotech,

9 63572

Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

Reliance,

6 22102

What is the meaning of key single line diagram?

Technip,

8 36731

hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible

Engineers India, Engineers India Limited,

1882

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Un-Answered Questions { Electrical Engineering }

difference between crane drive and line drive.

1965

Explain The Application Of Storage Batteries?

1202

Is it advantages of having star-delta vfd than normal star vfd , if yes why?

2327

How good are you in resolving the commercial issues to Employer's advantage?

2414

how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1618

what is the role of energy meter in distribution system ?

1240

for opening electrical shop, tips needed.

1890

In radial network the source is fed from 1 end both ends at central

2161

at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1962

Difference between field rheostat and armature rheostat.

1296

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2219

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2545

electrical ques

2184

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1983

hello if any one have papers vof hpcl or sail, plz send me

1981

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