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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 15117

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

3 11727

when is the Ohms law is applicable?

11 18795

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

5 8606

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

7 8055

what is different between IP55,IP54 and IP66?

2 54644

which technique servo motor tested o.k or faulty ?

1 3589

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 6037

what is a difference b/w earthing & neutral?

5 9104

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

2 19985

What is the difference between MPCB and OLR?

11 50553

What is Meant by Load factor in Power plant?

2 12326

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


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


what size of copper busbar use for 11kv 630A

3 8692

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ABB Electrical Engineering Interview Questions

Un-Answered Questions

Tell your opinion about adoption of cloud by operators around the world?


Can you please explain the difference between photoshop elements and adobe premiere elements?


What are the advantages of creating a model?


What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?


Draw the space diagram for a ten meter long beam simply supported at each end?


please give me the rates of RCC(CUM), PCC(CUM), Brick Work(CUM), Tile Flooring, Saria Shuttering


Why update strategy and union transformations are active? Explain with examples.


How to create trigger in mysql workbench?


How to take backup of table in db2?


What is office button in ms word?


What is the difference between an external iterator and an internal iterator?


Mention the execution process for managed code?


what is the function of Moulded case circuit breaker, why it is called Moulded?


How can you quickly find the number of elements stored in a static array? Why is it difficult to store linked list in an array?


What do the header files usually contains?