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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 12845

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

3 10642

when is the Ohms law is applicable?

11 15141

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

5 7313

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

7 6240





what is different between IP55,IP54 and IP66?

2 50641

which technique servo motor tested o.k or faulty ?

1 2973

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 5043

what is a difference b/w earthing & neutral?

5 7509

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

2 17309

What is the difference between MPCB and OLR?

11 40758

What is Meant by Load factor in Power plant?

2 11367

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

1316

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

1017

what size of copper busbar use for 11kv 630A

3 7497

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

Is it better to use pop or imap?

1


What is Cassandra?

5


How many parts of a pl sql block are optional?

9


How do the two complementary nucleotide chains of the dna facilitate the replication process of the molecule?

43


What are the 1st 2nd and 3rd laws of thermodynamics?

40






Define ad-hoc reports?

38


Can the double-checked locking fail on a single processor system?

30


What is splitter window in vc++?

20


how can you display specific subfile page on the screen in unequal subfile?

51


What is scripting in it?

12


how do u setup a replication site?

940


What is a data definition language?

34


Mention the role of Actuary in consulting firm?

64


How do you reset outlook?

1


brief about the methodologies to evaluate weightage of test cases and what are the basic parameters to be considered

1548