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ABB Interview Questions

Questions Answers Views Company eMail

Why do not use fly ash bricks for waterproofing.

3 7100

what is ripple ??? what is harmonics ?

3 8695

how much current in live 11 Kv distribution Line?

1 3875

if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 886

what is the function of 1 phase preventer?

3 22282

What is d role of reactive power in power system??How it produce & consume?

5 4048

can we use only a isolator in the subtation..

1 2507

what is the reson in a/c system that TPN TRIPPING

791

what is CFC logic in communication system? where do we require this for protection system

3 5692

why transformer rating is in KVA?

4 4548

what is mean by dual digital protection in the relay field?

797

how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?

921

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 3003

Who we calculate the generator NGR resistant, generator voltage 11 KV ?

2 3154

is earthing is necessary if we use armoured cable

1 3378

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Un-Answered Questions

can you explain about the design calculations and procedure of boiler

1609

What is the use of generics? when was it added to jdk?

947

What exactly happens when we debug and build the program?

1530

What are the tools used to monitor processes and how do they differ?

356

Is UML restrictive to system development?

2635

What is GSB gradation

1026

can anybody send me the technical papers of hewitt associates pls...I cleared aps n GD n has only less time for technical round?

1100

Is Recombination in Human Mitochondrial DNA really possible?

1117

How to use the Find Error entry under the search heading of the menu bar?

770

what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

1565

Is banner advertising still effective?

1298

What is SCSI (Small Computer System Interface)?

847

What is the difference between basic type and idoc type?

1362

Is Eclipse compatible with the commandline CVS client?

1846

which book is better for jdbc ,servlets and jsp

971

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