Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is buscoupler adopter panel????

5 5221

What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?

Techno Labs,

2 6937

What is the function of an exciter in a generator?

3 10865




What is an exciter and how does it work?

TATA, Lotte Chemical Titan, FCUK,

7 81567

What is the difference between MCB & MCCB, Where it can be used,

Siemens, ACB Group, Badve, Bajaj Electricals, Hensel, SR,

22 125544

What is encoder, how it function

Coca Cola,

9 45635

what r the checklist while installing a 380 kva DG set

Pepsi,

2551

what r the checklist while installing 500 kva transformer

Pepsi,

972




I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

MEIL, Lanco, BEL, Biocon, Tata Motors, Sabic, DLF, BRB Cable, Polycab, L&T, Armco, BGS, Doshion, Electrical, Gold Roof, Voltas, Oman Cables Industry SAOG, PK Services, SLV, UMIC, Vertex, Vega, UEM, Crystalline Chemical Industries, System Electrical,

41 377370

what happens when a power transformer neutral earthing broken???

MacLellan,

11 13608

what is power factor? whether it should be high or low? why?

11 7913

what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

Aster Teleservices, Era Infra Engineering, Micron Electricals,

22 30974

what do u mean by bus bar?

6 7845

what is the relation b/w KW and KWH? plz explain with example.

FAG,

6 9007

what is the principle of operation of synchronous motor and generator? explain in detail.

Maruti Suzuki,

2 3102


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Un-Answered Questions { Electrical Engineering }

why need to be maintain power factor for industrial customer?

2657


what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

466


I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

926


how does a shunt reactor maintains the bus voltage???

791


diff b/w elcb and rccb

857






does not the circulating current in a transformer affect the flux distribution in the transformer core

642


Under wat condition statcom operates as an inductor for the transmission line?

619


In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil

1260


How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

618


When color of silica gel will gets change from blue to pink from Top to bottom?

360


what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

920


I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

883


DG Earth Value?

910


explain types of electric welding and its applications

456


If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

376