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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 11220

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

11 22063

1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 3327

what is divercity factor?

4 5414

why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 5268





How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 23457

what type of oil is used in transformers? a)conduting b) insulating

25 42784

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

1399

What is the technical reason for adopting color coding of three phase system as RYB.

11 19019

what is the earthing condition between earth & phase.

3 3652

what is the earthing condition between earth & neutral.

6 7107

wat is the difference between real power and reactive power..which is useful..?and how it s useful..wat is the effect of these on a power system...

10 17098

difference b/w eath and neutral

10 8101

how netral CT is selected (including its details specification)

8 31066

what is importance of ka in mccb

2 5725

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

How to Redirecting to Controller Actions in Laravel ?

77


Where is a service contract assigned to a piece of equipment?

10


Why do you want to leave your organization or company?

1090


why QA team is necessary for an organization?

1839


What r SQA activities?

21895






How can client interact with Hive?

11


Define Canvas view of UFT?

16


What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

787


Name the different recorders available in automation anywhere?

1


Explain wcf contracts?

5


Why did you leave your previous job and tell me about it?

977


Tell me in my code the method marked by [ondeserialized] is never called after deserialization. Is this a known issue?

28


Differentiate between response.sendredirect(url) and ?

7


What is the use of damper?

15


hi all, i need ur help in preparing a sql which performs scd2, i mean i have a scd2 mapping i need a sql which can give me same result as scd2 mapping, SRC table: cust_no, loc 01 abc 02 xyz TGT table: pm_ky cust_no loc current_flag 1 01 abc Y 2 02 xyz Y cust 1 has changed his loc to xyz then it loads into TGT table as below, pm_ky cust_no loc current_flag 1 01 abc N 2 02 xyz Y 3 01 xyz Y i need sql to get the above result, hope got me question, Any suggestion will be appreciate.. thanks, Vinod

893