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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.


what factor is necessary during design of HT & LT MOTORS.

2 4699

Why transformer rating in kVA not in kW?

5 4749

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 1196

Find defination of KVA convert in to KW.

4 5608

how to calculate cable size in diffrent loads?


What is majour reason of Electrical Arcing ?

9 6872

how much current a 100 sq mm busbar will carry?

1 3362

what is the function of 1 phase preventer?

3 23396

What are the maximum and minimum ratings of MCB,MCCB,ACB,OCB,VCB and SF6 breakers?

2 28615

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 3058

what is creepage distance in sub-station?

3 7067

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

5 4916

Mechanism of Wye Delta Starter?

2 3343

can we use only a isolator in the subtation..

1 2910

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ABB Electrical Engineering Interview Questions

Un-Answered Questions

Where in the cell can ribosomes be found?


Explain the difference between a factory and a service in angularjs?


Why plvtab is considered as the easiest way to access the pl/sql table?


Will various customers write into an hdfs record simultaneously?


How we can call a JavaScript function on the change of a Dropdown List in ASP.Net MVC?


Are spark dataframes distributed?


hi, if anyone have previous year paper of NHPC or some questions, Please send me at


What is the basic difference between the new s/4hana product code line and the sap business unit code line?


what are the different Types of Recordsets.


What are common transport errors and their codes?


What are the areas for improvement on


What is the application of queue?


What are your 3 main growth areas?


what about F1 & F2 keys in xpeditor? And their functionalities?


what are the additional information you should give in the dd statement while defining the next generation of a gdg?