Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to select a circuit breaker?

ABB, TCS, BARC,

24 44879

hoW to select a CT?

BARC,

4 11350

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

Reliance,

1 2697




now-a-days which devices are using for converter

7 3563

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 8963

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

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

17 169265

what is the difference between earthed and unearthed cable?

Essar, Torrent Power, Cords Cable,

24 37413

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

ABC, Essar, MMM,

2 34791




can you give main difference between ELCB And RCCB?

Reliance, Wipro, MCB Bank,

38 143963

what is cathodic protection in Tank,and product pipelines?

IOCL,

4 10361

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

9 5838

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

21 22048

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

HP,

7 19029

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

L&T,

20 26828

How a generator is positioned in a hydroelectric power plant?

Infosys,

10 15469


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Un-Answered Questions { Electrical Engineering }

What kind of maintenance is conducted for Transformer

901


The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

800


why surge protectetor work explain with the help of circut diagram?

772


What is core CT & it's function?

745


how unidirectional torque is produced in DC motor?

5212






High speed earth switch operation with diagram

908


witch pump used in wtp

811


I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

865


what is meant by residual over voltage & residual earth fault ?

6744


How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

761


A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

769


ht side line to earth voltage

313


hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

683


what is the effect of higher value of GD???

548


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

632