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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the use of choke in tube light?

5 11158

What is Creepage distance?

1 3814

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?

2392

transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

Bhel,

2146

1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

Automation, Indian Railways, Mogora Cosmic,

2 11269

why only violet glow appears in corona effect?

1 5537

can any one explain me the where is the use of plc and scada

4 6696

What are Contactors? How they works and what its highest rating?

2212

I HAVE A 1 MVA TRANSFORMER, I WANT TO KNOW THE FAULT LEVEL OF THE SYSTEM ( WHAT IS FAULT LEVEL PLEASE EXPLAIN WITH EXAMPLE)

Alstom,

5 24213

could any one explain me what power factor and where it is use ful

3 5541

i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

2066

WHAT IS TANK CKT.?

4 8586

HOW MANY TYPES OF FUSE?

2149

what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

Orchid,

3 14310

what is the main purpose of line PT and bus PT?

L&T,

11 83136

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Un-Answered Questions { Electrical Engineering }

What is mean by spike arrester(Voltage Operated)

2108

hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?

2282

what is the thumb rule for determination resistance of resistor?

2366

why we need to us lenz's law for synchornous motor

2624

What are the types of instrument transformer?

1227

why capacitive load is not used in routine life????any reason is there ??????

1863

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

2801

How we calculate the current carrying capacity of H.T. cabel?

2308

What is the purpose of using busbar mounting fuse?

2083

Why delta star trformers are used for lighting loads?

1218

what may the reason for vector shift in a generator?

1913

If there is major % of Voltage harmonics in the system, how can it be control or reduced?

2036

sugest any typical project ?

1865

What are the effects of adding a zero to a system?

1366

How to calculat the ratio of HT\LT in energy meter

2756

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