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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why white color LED light is not possible?

1 4146

operation principle of a generator? Gss, Diesel and HFO which is better and why?

1 4973

I do wonder why current is present in neutral wire?i check single phase lead current feeding air conditioner...on its phase its current was 10A while same was 10A in neutral...as we know in neutral voltage is zero so if voltage is zero then how current appears on amp meter? my second observation is (just imagination)when I touch phase wire it give me shock but when i touch neutral nothing happens although as above its carrying current(amps) third but with same logic...as in simple Alternate current sine curve there is + and there is negative peak.means every time phase changing so how come every time same phase and same neutral stand (pardon for english mistakes)

1 4152

what is mean by flux

2 4606

How many loops can be provided in a circuit as per IS rules.?

1 3807

how i meggar value of 11kv alternator winding.and with meggar.

1 4457

what is the purpose of using filters in a protective relaying scheme?

2271

How we can find the regulation of transformer?

2 4302

Why selected cable colour red yellow and blue in 3 phase Electrical system?

Crompton Greaves, Essar, Gridco,

9 24600

What difference between voltage and current

5 6945

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

2354

what iz second and fifth hormonics please explain

Satia,

1 3460

why the generator operating along with the infinte bus bar should never be under_excited?

1 3829

how much GROUND & NEUTRAL VOLT maintain in data center.

2061

how calculated Transformer losses.

2049


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

2186


How does cost of generation from hydropower plant compare with other sources of electricity?

1061


please send me previous year questions of jspl through which i could prepare myself for the test.

1880


previous year paper of ntpc bhel for degree in electrical enng

3211


What is a system?

1234


what is a reactive power? what is the relation with power factor?

2190


Difference between RCCB, RCBO and ELMCB.

4092


What do you mean by turns ratio of instrument transformer?

1100


Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

2121


explain working principle of earth leakage relay

3711


what is the difference between megger and earth resister ??

1818


Is there any guideline say about display of earthing value near to earth pit

1205


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2535


I need HT sphere gap calibration table. Can any body help me.

1950


What is the instrument to check the rotating diode fuse of alternator in running conditions?

2477