Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is buscoupler adopter panel????

5 4678

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 5694

What is the function of an exciter in a generator?

3 9598




What is an exciter and how does it work?

TATA, Lotte Chemical Titan,

7 74041

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

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

22 122263

What is encoder, how it function

Coca Cola,

9 42116

what r the checklist while installing a 380 kva DG set

Pepsi,

2381

what r the checklist while installing 500 kva transformer

Pepsi,

777




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,

40 332899

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

MacLellan,

11 12131

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

11 7024

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 29400

what do u mean by bus bar?

6 7359

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

FAG,

6 8476

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

Maruti Suzuki,

2 2553


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Un-Answered Questions { Electrical Engineering }

What happened when voltage will half value of current ...

184


WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

683


what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

549


What is an alternator impedance value?

1495


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

431


HOW TO KNOW MOTOR WINDING IS STAR OR DELTA CONNECTED WITH OUT SEE THE INFORMATION TABLE AND WINDING CONNECTION ?

7375


star delta starter contorl circuit... drawing..

660


solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

232


Alternator rotor earth fault relay circuit

460


why impedance relay is used for medium transmission line protection

597


If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1499


Why we use duplex coil and hook switch in telephone system?

2503


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

720


Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

647


Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

197