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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what do you mean by earth fault in transformer?

L&T, UPL,

2 14862

In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

Power Grid,

1 4889

why two windings are using in single phase AC motor

3 6295

define power quality

1 3148

difference between alternator & GENERATOR

4 5324

exact difference between electronicsand electrical

5 3700

Please explain me about Relay curves and their sources to read ?

945

How generating electric power export to grid from the generating station ?

929

what is the conductor size in 33/11 kv line

Al-Thamer,

5 20369

WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

1205

why there is a humming noise in transformer

Bhel,

8 7296

why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?

Bhel,

2 3029

how is reactive power controlled on the transmission system

2 2827

Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

927

what are corona losses

Siemens,

3 4498


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Un-Answered Questions { Electrical Engineering }

i completed my DEEE. and i want to electrical c license. how to get it..?

1258


How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

1931


What is the meaning of floating point earthing in battery backed systems ?

1054


What is the function of a neutral reactor.

793


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1820






Testing procedure of DG alternator stability test

498


What are the limitations of Kirchoff's laws?

685


what is laser diodes?

233


EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1006


HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

1111


what is the use of the circle diagram

3538


How cable from Kit-Kat to main switch, from starter to motor are designed?

1136


In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

985


what is working process of star delta controlling circuit ?

991


What is the difference between diesel generator engine with and without turbo charger with the same capacity?

783