Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why a ballast and ignitor is required in MH and other lighting fixtures

Future Group,

2 5244

1.why ACB is not connected in HT side what Happens? 2.how much voltage maintained in ACB breaker? 3.OLTC is connected in primary side in case secondary side connected what happened?

L&T,

3 9129

i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

2091

what is the diference between base speed and rated speed in motor

Bhel,

1 5649

what is the generating transformer?

3 6942

In a panel 2500A ACB is the incoming breaker then what is the size of the bus bar?

1 6702

What are the types of bus duct?

1 3342

what are the advantages and disadvantages of oil filled cables over XLPE cables

Areva, AUVA,

3 19691

Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 5596

The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 3635

what is two point starter?

SGF,

2172

what will happen when ac is applied resistor,inductor,capcitor?

1 4507

how do you measure earth leakages in 3phase wires?

2 5231

How is Grounding or Earthing achieved in Planes and Automobiles?

ABC,

3 8186

What does CDG,CDAG,CAG,VAJ,VAJH,VTT,VAZ,VAA etc. stands for in case of relays and can anyone answer to decode this codes C,V,D,G,A,X,TT,J,JH etc

HNL,

4 71189

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Un-Answered Questions { Electrical Engineering }

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

2047

What does the kvar means?

1313

Can u tell me design of switch yard

2239

Explain what cmos is and its benefits?

1149

where lt & ht capacitor used

2281

At what factor resistance r of a conductor depends?

1159

Differentiate between Zero and Negative sequence current

1953

define reflection method?

2003

PAC and simple Ac different

1572

How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

1682

Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

2181

Give some differences between open loop and closed loop?

1167

What is meant by analogous system?

1378

Define pole pitch?

1175

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1996

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