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ABC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Which is the best between SCADA & PLCC & Why ?

2 7402

what are tpes of insulaors& its uses

1 1666

What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

909

we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 3241

I NEED THE CABLE SIZE. I=800A AND P=315KW

2 2957





What will happen if 2 phase supply is given to 3 phase motor?

4 3335

For backup batteries connection,which method is best? series or parallel ?  

3 4417

What is difference between Over Current & Earth Fault protection?

741

What is meant by shunt current?

1 1295

How to size Air Circuit breaker (ACB)? What is the most important factors?

738

When to use Oil Transformer type and When to use Dry type? What is the difference between both?

2 2327

Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 834

1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

692

what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

578

While miss missed name platform fo electric motor how to calculate simple fourmul,?

1 834

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Un-Answered Questions

Hi.. Me going to tke test for management trainee(technical) Post I am an chemical engineering student . Can u guide how to prepare for this test.Can u send me test paper pattern..?

1255


Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

21


in aviation, How does control valves work?

602


Write a program to compute the similarity between two strings - The program should get the two strings as input - Then it will output one single number which is the percentage of similarity between the two strings

1403


---------is the main or principle book of accounts

521






Hai Friends I am working as a Software Test Engineer in Bangalore. I am taking Classes at weekends on Testing Concepts. I will teach will all the real time examples and writing the Test cases, Document Management and also about what are all the duties of a real time Test Engineer at a company. Course Fee is very minimal and only in week ends. For who attended the class any time support through phone and job guidence. Intrested Friends mail me at vinodhanandhan@gmail.com

729


what is procedure of measuring operating length of mechanical seal .(in case of centrifugal pump)?

1003


A doubly reinforced concrete beam is 25 cm wide and 50cm deep to the centre of tension reinforcement. The centre of compression is steel is 5cm from the compression edge. The areas of the compression and the tension steel are 10.16cm2 and 12.56 cm2 if m=18 and the bending moment at the section is 7,000,000 N-cm. Calculate the stress in concrete and steel.

718


Discuss the most stressful situation you came across in your previous job.

2611


What is Sampling aperture?

244


What u mean by infrgistics control (What is infrgistics Controls)?

824


Discuss the following terms with respect to ATM: VPI, UNI, asynchronous, AAL, Cell, PVC.

273


hi all I have an overall experience of 12 years working in an EDP setup(worked in a manufacturing setup in a German MNC). On my request, I was relieved from my duties in Sep 06 for maternity reasons. However I would like to pursue a career in a software organization as a manual tester. I obtained my proficiency certificate in Software Testing from STAG SOFTWARE LIMITED 2 months ago i.e in May and would now like to continue working in this field. However I am unable to find a job until now. If anybody knows of a opening at bangalore, kindly let me know.

620


could i know the selection pattern at hpcl, am an undergradute in chemical technology, but my sujects or course do not figure out antwhere on the lists.

708


IN SQL SERVER 2005, With out using Query, hw can u break down USER NAME & PASSWORD to enter the software.

849






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