Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

Wartsila, Bhel,

1 3108

pls send previous bhel electrical papers

Siemens,

715

how set earth fault over current in relay

Jacobs, Reliance,

5 10788




what is the difference between the electrical and electroncis

TCS,

15 9532

Which is capital of Indian State Tripura ?

RRB,

13 9415

can we step up dc power using transformer?

15 12008

In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 3353

condider as 100 w lamps glowing . for completing a one unit how much time it should glow

Avalon,

3 13355




what is the difference between the diode and the rectifier

L&T, Avalon, Mahacol Trexim,

17 28915

can any one tell me the formula for calculating the power and unit consumpetion

Avalon,

9 8749

what happan when ac power transmitted in unity power factor

Maihar Cement, JE,

12 11651

which %age if losses increases when frequency is increased to 25%

Siemens, Maihar Cement,

4 3685

which %age of corona losses increses if frequency is increased to 25%.

Maihar Cement, ADCET,

3 5299

why heat produced at junction of two different conductor. what care should be taken to minimize it.

Birla, Maihar Cement,

11 8981

What is the difference between voltage transformer and potential transformer?

ABB, Wipro, Voltas, MSEB, ETA, Maritime Academy, Reliance Jio,

38 67473


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Un-Answered Questions { Electrical Engineering }

Why reactors use before incoming of ac vvfd drive?

398


what is the difference between earthing and unearth

1527


Why is better to have a minimum ceiling voltage of 250% than 160%?

608


In how we connect watt meter for open & short circuit test of a single phase transformer.

3930


how to convert lv line to hv line and viseversa, any losses will occur during this process

628






Discribe type of fault in DOL and stardelta startor.

905


How would you relate your key competencies to this position?

833


what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

913


when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?

670


How to do maintenance of transformer feeder.

480


I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

680


what is meant by impedance & transient protection?

733


What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

4292


WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

824


UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

550