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 function of buchhos rely in transformer

5 8435

what is the function of conservater in transformer

3 12786

what is the function of cooling tubes in transformer

4 26897

kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 15955

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

1865

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2269

Differenciate between circuit wiring and sub main wiring with illustrations

MU,

2191

3. What is Impedance Voltage in Transformer?

KESC, L&T, Torrent Power,

16 113319

5. What is PMG in Alternators?

L&T,

11 47167

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

2218

why are you interested in joining in core company instead of joing in software company

11 30055

how to test vector groups in transformer differential relay.

1 4060

Is it true that IPT are more accurate than CVT for Measuring purpose?

2 4502

is emf is indued if dc is passed through coil

5 7981

why transformer not work in dc

16 33834

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Un-Answered Questions { Electrical Engineering }

my b-tech percentage is 50%. what answer will satisfy the hr ?

2060

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1414

AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2623

I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.

2584

what is Fault level? why it is calculated? how will u decide same for our plant?

2002

why electron produce magnetic field when it is in motion?

2104

How phase displacement change in the over current relay coils.

2368

why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

1824

How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

2249

why -48 volts dc used in telecommucation

2562

What are the specifications for conducting earth leakage test as per IEC standard?

2009

what is the max. acceptable leakage current in 33kv bus bar

2961

Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

2058

what is a bus riser in power system and why it is used

46058

what is the significance of tan&delta and how it performed in power transformer

1891

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