Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is buscoupler adopter panel????

5 4497

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 5309

What is the function of an exciter in a generator?

3 8857




What is an exciter and how does it work?

TATA, Lotte Chemical Titan,

7 69446

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

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

22 120471

What is encoder, how it function

Coca Cola,

9 40721

what r the checklist while installing a 380 kva DG set

Pepsi,

2328

what r the checklist while installing 500 kva transformer

Pepsi,

703




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,

39 307446

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

MacLellan,

11 11771

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

11 6809

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 28760

what do u mean by bus bar?

6 7151

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

FAG,

6 8306

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

Maruti Suzuki,

2 2383


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Un-Answered Questions { Electrical Engineering }

the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

582


all the technical question with answers pleas send your email id ramar_eee@yahoo.com

537


How Can you do Maintenance of ACB of 2000Amperes

592


what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

1691


what is interfacing in computer studies?

230


for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

500


How many double suspension hardware fittings are required on a double circuit transmission tower?

546


While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

443


WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

480


IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

487


Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

600


why the check zone and main zone are used for Busbar Protn. scheem?

513


nwhat are the main Components of servo motor?

602


what is the difference between gas group b and gas group c electrical equipment construction wise?

469


1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

413