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 13705

how to measure the A.C flux .-instrument

NTPC,

8 12842

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

2119

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 10235

What is the meaning of Fault level rating?

Balrampur Chini Mill,

1 11038

Why semi-conducting insulation is used in XLPE cables?

1 5083

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 41560

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?

2806

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

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

12 80999

why C T secondary are rating 5A generaly .

7 13236

why earth hole size is biggest in socket point.

5 10027

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

GE, HP, Reliance,

3 9131

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

HP,

2 6729

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

HP,

1 5864

Why dc Supply used in Control circuit.

HP,

12 30887

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Un-Answered Questions { Electrical Engineering }

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1540

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1952

would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

2511

Difference of induction motor & servo motor ??

1871

explanation of mesh bus bars

2213

what about electrical pannel.? What is meant by plc pannel.?

2364

How to Decide(calculate) Bush bar size for copper and aluminiam ?

2184

Classify drilling machines.

1210

Please brief working principle & construction of permanent magnet AC Servo motor

2293

i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

2073

How PADO software increase the efficiency of power plant?

6555

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

2242

How to calculate wire length,size & current? ( related to control panel)

2223

For a stable system, where should the poles of a system be in a root loci plot?

1293

Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

4529

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