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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of Lightning Arrester & Wavetrap in Power system ??

18 64271

what is meant by insulation voltage in cables? explain it?

4 14753

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

879

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 15021

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

5 20057





WHAT IS DGA TEST FOR THE TRANSFORMERS.

3 15728

we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 4222

What is the difference between Isolator annd Circuit Breaker.

21 61376

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1085

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

6 8123

what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 48651

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

3 26260

what is numerical relay explain its operation

2 6516

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

759

comparision between mcb,mccb,elcb,flcb,elcb in details

1065

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Un-Answered Questions

hi i want to retrieve the data from one spread sheet to another workbook in EXCEL VBA. for exmp:customer details first name last name location state country country code mobile customer details raj krishna hyderabad andhra india 91 0 service required refrigirator company color details cost warranty service required samsung silver double door fridge 45000 3yeras

1033


what is the difference between xi and other integrations ie. tibco,web methods

3830


I have 4 four category of emplies say Admn/Markting/Procurment/Production and the employees of thee category have there bank accounts in 5 or six different banks. How can i generate Payroll advice for the employees having account in A Or B OR C Or D falling under above category

765


How are the various factors of production affected by global competition? Do we manage people any differently in a globally competitive environment?

978


How to Disable Full Window Drag?

895






What are the Uses of mmap?

460


Hi, I am preparing for Junior Accounts Officers test- APTRANSCO. Can any one suggest the model paper / Books available? john kadapa

802


How to use userdifined environment variables.Once we created in Environment tab which is at File--> Settings-- >Environment-->Userdifined

801


We have 6.6 KV, 250 KW HT Motor and i want to run this motor with 250 KW LT Variable frequency drive. Is this Possible? How? what are the major modification required?

914


How to Adjust form size to accommodate a required client size ?

844


How to require check-in comments?

307


How to pass journal entry for payment of 20 % of outstanding income tax demand of AY 14- 15 of an company in the AY 18-19.

274


In accounting equation what is the treatment of investment in shares??

233


what exactly sql injuction.how to overcome.....

1336


a solid steel rod length 2m dia and 20mm vertically hangs from celling and has a collar firmly atteched to it. above the collar an annular rubber washer of 40mm th. having stifness k = 5n/mm is placed. determine maximum stress in the rod caused by mass of 5 kg falling through a height of 1.2m.

998






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