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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is difference between Earthing, Ground and Neutral?

1 3121

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

9 7904

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

7 58371

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

10 30149

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 4577





how calculate the current faut level

2 3640

what is power

6 4239

How many types of lightings are there

2 2219

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 5381

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

946

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

1165

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

2 8842

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

1 1852

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

13 41131

STATE WORKING OF VACCUM CIRCUIT BRAKER?

688

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Un-Answered Questions

does RS-485 cables come with armour?

831


what is cathodic protection? where it is used and when? and why?

718


Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

703


ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

806


write string class as your own class in java without using any built-in function

1136






Please some one answer these Q's 1.Modules in Pension Domains ? 2.What Should we Test on Pension Domain.? Thanks in Advance Stewie

1077


Which command is used to replace CDUP command in FTP IF i WANT TO USE SFTP?

844


What is Map,List,hashtable,ArrayList and difference between them??

1559


What is the difference between Third-party BPO and Primary BPO (Please understand the question and post answer to my site sweetlittleheart25@yahoo.com)

1036


What are the maintenances of a DCS ?

653


When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

640


what r the advantages and disadvantages of gas burners and oil one?

571


What is BDocs?

1435


tell me the permenent memory issues?

1514


IN OOS SAMPLING ERROR HOW CAN WE ADDRESS , OR HOW CAN WE EXPLAIN AUDITOR ABOUT SAMPLING ERROR

1244






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