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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

In what condition the HT fuse breakes?

1470

What is mean by retrofitting of machine tool please brief.

1 2696

What is the difference between Busbar Chambar, MCCB board and MCB Board? How to choose to use which one in the system?

2 8974

1)What will be full load current for 1000kva 3 phase generator. 2)What will be full load current for 20Kva 1 phase inverter.

5 8088

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

ABB, Corsa,

1 3357

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

3802

What is the maximum percentage voltage drop (vd%)for a motor control center

1533

what is the function of impulse relay

1991

why connecting surge unit in contactor coil

1363

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1525

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2024

In EB metering we face problem kva jump even in no load condition.can any one help to control this

1359

how to calculate bus-bar sizes? (copper bus-bars)

2 16669

What is GNR ? How much value of ground neutral resistance?

9 12103

Why transformer neutral earthing? What is advantages?

3 5396

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Un-Answered Questions { Electrical Engineering }

in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

1662

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

1491

What is The Resistance Formula

768

If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

1389

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

1605

Define conversion efficiency of a power amplifier.

681

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

1775

specify the inbuilt protections in DG

1603

importance of reactive power management

1571

what is the question paper model for section engineer in RRB

1459

two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

996

How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

2033

Why armature rheostat is kept in maximum position?

626

How much load can be taken for chiller from 1500 kva transformer

851

How to calculate capacitor bank size at a load 800kVA.

1154

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