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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to select a circuit breaker?

ABB, BARC, TCS,

24 66445

hoW to select a CT?

BARC,

4 16106

Dear all, kindly give me the details of leectrical design engineer course details/institute in hyderabad /any where in india.

Reliance,

1 4820

now-a-days which devices are using for converter

7 8716

What are the various methods for effecive earthing in a factory in a rocky terrain, where soil resistivity is extraordinarily high? The usual method of 3 m deep earth pits is not serving the purpose.

4 13006

What are the difference between C-Curve and D-Curve for MCB's.

ABB, DLF, Essar, GK companies, Nissi Engineering Solution,

17 192261

what is the difference between earthed and unearthed cable?

Cords Cable, Essar, Torrent Power,

24 59240

What is GD2(kg-m2) for Sq. cage ind. motor?

ABC, Essar, MMM,

2 50399

can you give main difference between ELCB And RCCB?

MCB Bank, Reliance, Wipro,

38 172839

what is cathodic protection in Tank,and product pipelines?

IOCL,

4 15309

Rotor is taken away from three phase induction motor and three phase supply is given to the stator.What will happen?

9 11935

Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 37308

how to control the generator output voltage? what r the condition should satisfy for synchronization?

HP,

7 27194

What is the generating voltage of a power station consided generally?

L&T,

20 41755

How a generator is positioned in a hydroelectric power plant?

Infosys,

10 24448

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Un-Answered Questions { Electrical Engineering }

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2766

why induction motors are rated at 0.8 power factor.

2052

what is the difference between skin effect

2315

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1948

Can an inverter be used as a converter? How?

1998

How to choose size of the cable w.r.to current carrying capacity ...

2246

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1789

what is mean by transition resistance of transformer?

4588

How time response of the system is divided?

1233

how to setting voltage RTCC panel

1710

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

2210

In parallel operation time both NGR’s close or not close if both close what will happen

3785

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

2055

I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

12941

How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

2226

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