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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of Lightning Arrester & Wavetrap in Power system ??

18 77787

what is meant by insulation voltage in cables? explain it?

4 18699

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

1684

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 17857

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

5 24478

WHAT IS DGA TEST FOR THE TRANSFORMERS.

3 19024

we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 7011

What is the difference between Isolator annd Circuit Breaker.

21 73759

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

2023

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 13249

what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 68139

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 33768

what is numerical relay explain its operation

2 8655

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1619

comparision between mcb,mccb,elcb,flcb,elcb in details

1911

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

Do you need cals for windows server 2016 essentials?

162


how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1926


How to upload excel files into Quality Center using QTP Script and how to delete excel files from Quality?

730


While creating class group if we didn't mention key name is it going display error it will save?

346


Why is data mining hot cake topic for this generation?

25






What is the use of vacuum in postgresql?

532


What is called an advice?

230


How can you tell if a number is even or odd without using any condition or loop?

635


How do you establish a has-a relationship?

728


What are some examples of desktop applications?

609


what is the need for balance interest calculation maintenance of setting in case a financial decides on interest rates and loan repayment due dates etc all other issues and we only need to pay the intrest amount ?

1747


What are the different text inputing methods in bp?

330


What would you like to improve the most about yourself?

793


Explain the concept of Local Interpretable Model-agnostic Explanations (LIME).

1


What is private variable?

592