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 65032

hoW to select a CT?

BARC,

4 15812

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

Reliance,

1 4668

now-a-days which devices are using for converter

7 8318

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 12651

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

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

17 191132

what is the difference between earthed and unearthed cable?

Cords Cable, Essar, Torrent Power,

24 57700

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

ABC, Essar, MMM,

2 49993

can you give main difference between ELCB And RCCB?

MCB Bank, Reliance, Wipro,

38 170385

what is cathodic protection in Tank,and product pipelines?

IOCL,

4 15005

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

9 11404

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

21 36130

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

HP,

7 26660

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

L&T,

20 40470

How a generator is positioned in a hydroelectric power plant?

Infosys,

10 23916

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Un-Answered Questions { Electrical Engineering }

What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

1851

BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

2287

transformer phasor diagram under load explain it?

2131

In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero

1668

How do we calculate the Out put voltage of generator, after the excitation is being given?

1896

What do you understand by external characteristics of a d.c. Generator?

1073

What is difference between insulating medium and fault current interruption medium in a switching device.

1607

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1903

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

1411

Why do we require transformer with less specific weight if supply frequency is increased?

1540

what is thresold of perception

2013

what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

2042

which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

1998

why star point of HT motor not earthed?

2228

how is capacitor bank look like

2354

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