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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 10648

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

11 18990

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

3 3010

what is divercity factor?

4 4902

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

1 4934





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

7 20937

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

25 40990

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

1236

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

11 17785

what is the earthing condition between earth & phase.

3 3338

what is the earthing condition between earth & neutral.

6 6740

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 16490

difference b/w eath and neutral

10 7561

how netral CT is selected (including its details specification)

8 28893

what is importance of ka in mccb

2 5406

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Un-Answered Questions

GLOBAL TEMPORARY TABLE over Views in advantages insolving mutating error?

1705


Discuss the economics of automation and the role of metrics in testing.

1289


What are the causes of liner high temperature?

701


what is Forward,Reverse and Re_engineering?

918


Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?

734






Can you explain the color red to a blind person?

511


What is the disadventage of gland earthing(power cable) if any. ?

702


what is the difference between weblogic and websphere,jboss,tomcat?

22813


Write a C language program to perform CCITT group 3 compression. If possible, scan some images and use your program to compress the images. What kind of compression did you achieve?

1688


How to gathering the requirement

775


What is the formula for 1 HP of a two-cycle engine?

882


Give me a specific example of a time when you had to conform to a policy with which you did not agree.

2464


i m sabina . i am rejected in us visa in 29th july and counciler mam say me your colege is exp and choose cheap col and come back. so what i do. i have 2 i20 fairmont and troy . troy is so cheap than fairmont but we arrive in troy aug11 its not posible what i do ?

1150


How many categories in service contracts what are those?

599


What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?

1134






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