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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

NTPC,

7 13494

how to measure the A.C flux .-instrument

NTPC,

8 12581

which subject is better to tell when hr asks the area of interest?..

2071

if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 10066

What is the meaning of Fault level rating?

Balrampur Chini Mill,

1 10954

Why semi-conducting insulation is used in XLPE cables?

1 4999

I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 41144

what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

2746

how can we change the rotating direction of single phase AC induction motors?

Heubach Colour, L&T, MNM Jain Engineering College,

12 80487

why C T secondary are rating 5A generaly .

7 12943

why earth hole size is biggest in socket point.

5 9834

If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.

GE, HP, Reliance,

3 8986

If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

HP,

2 6620

What is transformer break down voltage.And what is flash oil flash point.

HP,

1 5766

Why dc Supply used in Control circuit.

HP,

12 30503

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Un-Answered Questions { Electrical Engineering }

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

1750

distribution is maximum done by a)radial b)network c) parallel d)b & c

1946

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

1069

High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

2099

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

2282

What is self exciting?

1699

How to check the cable fault / hv test of transformer cable.

1880

What are hrc fuses and where it is used?

1187

how to avoid Saturation in C.T?

2119

what is RFCT and Insulgard Relay & It's function?

2193

what are the interview question asked in wind mill about electrical

2371

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1681

What is an alternator impedance value?

2856

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2117

for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2457

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