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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Please give me a ansver for why currant transforme noe point should erthing

1 2687

what happen if power factor goss to above unity (one) ? of any electrical system or motor.

Air Liquide,

10 23369

what is ht breaker

8 31696

what is the type of pilot wire in pilot relay?

1 3878

what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2157

diff.between servo motor and ac motor

Power Grid,

2052

What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 5097

i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

3318

How will calculate the current rating (withstanding capacity)of alumunium and copper cables?

1 4786

what is encoder & its use?

ACC,

1 2925

how we calculate full load current of A.C & D.C Motors?

1 9204

how we calculate the withstansing current capacity of wires&cables?

2015

how cables go in and come out for distribution from the feeder pillar box?

CESC,

2087

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

Reliance,

2066

how much current we can get from 11kv overhead line ?

8 22953

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Un-Answered Questions { Electrical Engineering }

In the magnetic fluxes, what is the role of armature reaction?

1157

what are the problems that generally occur in power flows??

3251

how to deside the capacity of chock for drive?

2057

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

2175

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

1947

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2167

Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

2110

briefly explain the main blocks found in a microprocessor based system

2194

What is resolution of a measurement?

1207

why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2655

HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

2049

What is synchro?

1170

why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1514

How 3 phase invertor works?

2072

Is neutral transformer can be called as control transformer?

1979

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