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Electrical Engineering Interview Questions
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what is the use of power transformer in GSS.

College School Exams Tests, DLF, TCS,

1965

What is mean by single phasing used in distribution of electricity in rural area of maharashtra state?

 3 4002

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

NTPC,

1624

my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

 2 4352

What is the reason behind 11kv 33kv 132kv.....means multiple of 11?

 6 19879

why the the phase transformer's nuetral has been grounded

 2 4606

Difference between 3.5 core and 4 core

 2 4923

Why r use in the tap changing x' mer.

L&T,

2 5343

What is the black star?

 2 3728

I need tnpsc AE Electrical question papers

TNPSC Tamil Nadu Public Service Commission,

2 6312

what are the industrail measures to overcome ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system? plz reply

 3 6121

How do you determine the size of transformer radiators in a transformer?

 1426

can we replace d.c.motor by 3 phase induction motor for a particular application

 4 5848

A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

 2 6529

How do we calculate conductor size?

Hero Honda,

1 3551

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Un-Answered Questions { Electrical Engineering }

What is the disadvantage in proportional controller?

620

why three phase capacitor takes unbalanced current in capacitor bank?

1000

What is meant by reactance voltage?

616

Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

1618

what is the difference b/w ATS and HTS?

1701




what are the tests comes under the type test, what tests comes under routine tests.

1023

what is the synchronous timer ? and it applications.

1893

Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

719

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1405

how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2500

what is the acceptable limit value for Desolve Gas Analysis/

1429

How to find ampere on ht side for selection of cable size ???

1328

what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

1769

What is the meaning of C1, C61, C91 cable

2814

what is reactive power?, why its measured in VA ? is it transient behavior of system?

1789

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