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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is difference between Earthing, Ground and Neutral?

1 3492

motor and transformer working with same principle so why motor rotor was roted and transformer not roted

9 8709

Why should we use the igniter in the sodium vapour lamp.

7 63071

why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

10 32638

why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

5 5136





how calculate the current faut level

2 4083

what is power

6 4847

How many types of lightings are there

2 2685

sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 6163

why 1.7Uo for HV cable Hi pot test?IE standard why?

1192

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

1367

How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 9666

How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 2125

What is the difference when selecting a cable between AC and DC current?

13 44451

STATE WORKING OF VACCUM CIRCUIT BRAKER?

874

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ABB Electrical Engineering Interview Questions





Un-Answered Questions

A table has two indexes defined. Which one will be used by the SEARCH?

30


How would you determine the number of missing or nonmissing values in computations?

25


What is a Field Group?

29


I am trying to open files called "excel 97 templates" with my excel for windows 95, version 7.0. I get the message: "(filename).xls: file format is not valid". Whatgives? Is the "excel 97" saved file just unreadable by my version?

1


What is a business area?

30






what is the difference between truncate and drop statements? : Sql dba

1


What are quasi sovereign bonds?

38


What are the tools used to monitor processes and how do they differ?

413


How do you troubleshoot errors in a sql server agent job? : sql server DBA

9


Which method to opena http connection to an uri?

9


What’s the difference between session.save() and session.saveorupdate() methods in hibernate?

1


What is the difference between a .PST file and a .OST file?

2813


What is artificial intelligence on echocardiogram?

26


What is inheritance in oosad?

28


What is commit?

21