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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 75584

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

4 17948

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

1501

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 17204

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

5 23448

WHAT IS DGA TEST FOR THE TRANSFORMERS.

3 18410

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 6284

What is the difference between Isolator annd Circuit Breaker.

21 71362

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.

1766

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 12091

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 64474

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

3 32531

what is numerical relay explain its operation

2 8150

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...

1396

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

1713

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

What are the rules specified for invariants in first order and second order information?

520


Explain what is STDIN, STDOUT and STDERR?

485


What is SQL enhancement​​ ( CDS )​​ ?

50


What are the main differences between parsimony,distance and likelihood-based algorithms?

1604


Explain supported data types in python?

393






What is “el” property of backbone.js view?

5


how my subject zoology helpfull in banking sector?

1416


Can microstrategy desktop access operational data systems?

530


What is the shortcut to copy the format?

286


What is persistence object hibernate?

135


Which join is like inner join?

475


Define lzo?

96


#IS IT NECESSARY TO COLLECT T.C.S ON EVERY POINT OF SALE# THAT IS IF MANUFACTURER SOLD ANY OTHER FOREST PRODUCE NOT BEING TENDU LEAVES (T.C.S @ 2.5%)TO TRADER,IS IT NECESSARY FOR TRADER TO DEDUCT T.C.S.MANUFACTURER ALREADY CHARGED T.C.S TO TRADER & ISSUED TO TRADER 27-D FORM.WAITING FOR CLEAR CUT REPLY

1470


Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.

179


Which is the hardest material on earth?

581