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 65081

hoW to select a CT?

BARC,

4 15817

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

Reliance,

1 4669

now-a-days which devices are using for converter

7 8325

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 12662

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

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

17 191171

what is the difference between earthed and unearthed cable?

Cords Cable, Essar, Torrent Power,

24 57784

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

ABC, Essar, MMM,

2 50009

can you give main difference between ELCB And RCCB?

MCB Bank, Reliance, Wipro,

38 170434

what is cathodic protection in Tank,and product pipelines?

IOCL,

4 15012

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

9 11417

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

21 36146

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

HP,

7 26667

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

L&T,

20 40525

How a generator is positioned in a hydroelectric power plant?

Infosys,

10 23927

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Un-Answered Questions { Electrical Engineering }

What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

1093

what kvrah y we need to take the readind of that

2052

how generator load test is conducted?what are the steps?

1561

what is PID control in VFD drives?

1945

what is interfacing in computer studies?

1728

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2153

What will be the current if the resistance total in a series circuit doubles?

1171

What are the material used for inductance coil?

1109

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1868

why tertiary winding is used in transformer with diagram?

2210

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1831

In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1497

This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

2436

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

1615

What is different bewteen low or high impedance busbar protection scheme

4083

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