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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between isolation and insolation ? please explain in detail with example.

5 18281

1. Why a DC motor starter is called 3 point starter

21 63325

whats the advantage and disadvantage in TUMETIC mdel transformer

2 6978

Why DC excitation is used for alternators? Why cant it be AC?

33 52749

what is a lightning arrester???

12 15813





1. what is difference between VCB and ACB.how its works please explian.

6 63324

How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

3515

what is the meaning and full form of AYFY CABLE?

10 36235

if we convert kw into kva,which one formula use by us,pls tell me?

19 15828

if we convert watt into kva,which one formula use by us,pls tell me?

16 12426

if we convert Ampers into kva,which one formula use by us,pls tell me?

10 7499

if we convert kw into Ampers,which one formula use by us,pls tell me?

9 7494

if we convert kva into Ampers,which one formula use by us,pls tell me?

7 6412

if we convert ampers into kw,which one formula use by us,pls tell me?

11 11426

Transformer's core is made up of which material and why so?

10 23551

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Un-Answered Questions

is that any software calculator to calculate the size of cable

1116


What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

937


two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.

952


Calibration procedure for Electro magnetic Flow meter

3340


what is cost accountinp

934






in a company, if employee contributing To PF equal to employer contribution. can he voluntarily stop his contribution while he is in service with that company?

712


What current position are you holding in your current company?

864


Explain the following program segment. f(){ int *b; *b=2; }

1213


How reactor of SBR installed , is it be over ground, fully under ground or semi sunk ?

1129


Definition of Singleton Class? what is the Purpose of it? what is the advantage?

825


What is the Job interface in MapReduce framework?

202


What are RC and L/R time constants? What is their significance?

703


i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. NAZEEHA E.MAIL ID:- km.nazi.km@gmail.com

997


HELLO EVERYONE ON YAHOO , I'M IN NIGERIA AND I Will LIKE TO MOVE AND WORK IN CANADA , ANY SKILLED WORK IS OK BY ME AND THE PERSON WILL PAY THE BILL FOR IT, I WILL SERVE THE PERSON FOR THE EXPENSES.......... LOVE TO READ FROM YOU SOONEST AS YOU WISH TO HELP ME OUT

759


1. Assume that passwords are selected from four-character combination of 26 alphabetic characters. Assume that an adversary is able to attempt passwords at a rate of one per second. a. Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to recover the correct password? b. Assuming feedback to the adversary flagging an error as each incorrect character is entered, what is the expected time to discover the correct password?

466






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