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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is Single Phasing fault???(not single-phase fault)

 6 16112

How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

 3 12443

when is the Ohms law is applicable?

 11 20567

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

 5 9309

why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

 7 9252

what is different between IP55,IP54 and IP66?

 2 55682

which technique servo motor tested o.k or faulty ?

 1 3881

If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

 2 6583

what is a difference b/w earthing & neutral?

 5 10009

What is the difference between Class PX & Class X CT's

 2 21392

What is the difference between MPCB and OLR?

 11 55479

What is Meant by Load factor in Power plant?

 2 12849

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

 2033

What are the factor to be consider for CT selection in 132kV substation?

 1666

what size of copper busbar use for 11kv 630A

 3 9242

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

What is the rattle package in r?

58

How many bugs occured will be considerd appropriate over 1000 steps when inspecting software? Describle an approriate Bug value.

1728

How to do bbs in excel format

1652

what is the difference between union and union all? : Sql dba

578

What are the applications primarily used by business analyst? : Sas-bi

588




A complete, local search algorithm always finds goal if one exists, an optimal algorithm always finds a global minimum/maximum. State whether True or False. a) True b) False

1691

HOW TO PREPARE FOR HPCL WRITTEN EXAM?

3343

Can we use ordered set for performing binary search?

573

What is the use of "cqlsh --version" command?

41

What is get()? : jquery mobile

505

Clarify application modeler.

226

Explain various phases of the SDLC.

606

How to start an oracle instance?

603

Explain server?

323

List out some features of neo4j database?

1