Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how winding temperature detects in power transformer...?

Roverco,

5 10080

you are a electrical student, why are you coming for software job.

TCS,

4 24638

in dc shunt generator field is open in running condition what will happen?

century,

8 11646

in 50 mw generator if field is open in full load running condition what happen and for protection which relay used?

century,

5 5933

if generator is running in iso mode parrallel with grid and suddenly grid breaker off what will happen?

century,

6 10687

in communication what is the role of elelctrical engineer?

Quippo, Reliance,

3 5852

boiler is running in rankine cycle and deisel generator is....?

century,

1494

what is the difference between isolation and insolation ? please explain in detail with example.

ABB,

5 22380

what are the differences between MCB and MCCB ?

Bhel, DLF, Omax,

19 36583

ARE YOU NOURVAS ?

4 6653

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

NTPC,

1377

What are RMU yard Safety Operating Procedures

2 10197

Why the Transformer Nuetral is grounded?

Infosys, Khartoum Refinery,

10 24811

what is meant by AYFY Cable?

XLPE,

9 50994

My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

1517


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Un-Answered Questions { Electrical Engineering }

Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1439


Why Ac Systems Are Preferred Over Dc Systems?

694


i want to know that what is the eligibility critaria for ongc exam?

2498


i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1273


what is meant by skew width in machines?

1564






What are the three constants associated with a steady state error?

640


some basic standard questions on transformer.

1242


How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

1058


how ups works ? various parts of ups and working principle

1398


What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

1831


How to set a Zone 1 distance relay for distribution feeder?

1467


by what factor the starting current is used when comparing star and delta connection for motor starting?

1497


If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

1116


What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

1613


The series field winding has low resistance while the shunt field winding has high resistance. Why?

1099