Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why 6.6,11,22,33,66kv? what basis they have considered?

5 3682

HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?

5 11287

Wat is da difference b/w neutral earthing and unearthed system?

2 2889

what is the purpose of NGR?

Assam Electricals,

25 62745

what is residual current....

1 1573

what happen "when Dyn11 is parallel operation with Dyn1"?

9 9459

Grid fault level [KA]?

633

Earth Resistivity

2 2960

on what priciple transformer works on?

5 2830

how to calculate the capacity of the AC motor

TATA,

1 2804

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE MORE THAN 11KV ???????????????//

Hakel,

5 25214

what are the type of motors

3 2471

I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

IOCL,

5 4147

how dc ct works?

3 3382

what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so

3 3682


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Un-Answered Questions { Electrical Engineering }

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

699


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

444


We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

448


plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

806


What is the difference between a 3 winding and 2 winding Potential Transformer

515


Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

519


how to find out difference between ELCB, MCB and RCB on looking on it

906


how to calculate the change over time for star delta starter for different KW motor?

1266


WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

533


How much minimum insulation required between 11kv/3.3kv transformer windings?

705


PIU how does work?

558


WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

388


How will polarity test of Dy5 Transformer ?

570


Explain Continuous and Discrete signals?

122


What will happen if the voltage in my house drops from 220V to any lower voltage?

342