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ABC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Which is the best between SCADA & PLCC & Why ?

2 8090

what are tpes of insulaors& its uses

1 1973

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

1124

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 3536

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

2 3402





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

4 3838

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

3 4815

What is difference between Over Current & Earth Fault protection?

1176

What is meant by shunt current?

1 1595

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

1007

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

2 2742

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 1195

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.

933

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

897

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

1 1137

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ABC Electrical Engineering Interview Questions





Un-Answered Questions

How C# 4.0 supports dynamic programming language?

12


how we can import and export utility in netcool?

7


The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

505


How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

979


Scalability, Availability, Integration with internet, etc.)?

1781






why we r going to freezing service group and system, what are the freezing steps & how to freezing service group?

755


Write the procedure to convert general tree to binary tree?

10


What is the vector group of a transformer,how can it be found out?

947


Count the total number of trees in United States.

7


AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

1151


What are the risks and challenges that we should be aware of when it comes to the Internet of Everything?

1


what are the common errors while doing integration,system,functional,regression,user acceptance testing? can anybody please let me know the answers it is too urgent???

874


what is the use of CW(Circulating water ,clarified water,cooling water),auxiliary cooling water(ACW),auxiliary raw cooling water(ARCW)in thermal power plant.plzz explain the different characteristics of these types of water.

2746


why transformer tank is in rectangular shape what happen when it is in step shape

292


i qualified karnataka bank clerical exam, next month 15-4-2017 may be interview there..... suggest me some interview tips andtell me the expected question to be asked in the Karnataka bankclerical exam plz reply to my mail.... meghas.madhu25@gmail.com

254