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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How To increase Knowledge Of boliler regarding To Only Electrical Field..

571

What is the difference between PLC and Embeded system

531

How capacitor connect in 3 phase supply???

L&T,

1 913

PAC and simple Ac different

453

Why High voltage are generate noise ?

446

what is KA rating and how can we choose switchgears on applications

451

Why can't we parallel Voltage transformer secondary circuits?

471

Why can't we parallel the secondary circuits of two voltage transformers?

468

we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

IGC,

503

If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 734

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

511

Earth has zero potential then what would be the neutral potential ?

JLL,

454

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

506

How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

Vodafone,

413

What is the maximum and minimum rating of UPS?

Indiabulls,

485


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Un-Answered Questions { Electrical Engineering }

if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

902


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

1205


Mention what are the different colors on wires indicates?

216


How calculate the MTA in relay?

978


What is meant by RVT and NDR ? expansion and details of it

1804






I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

986


how we do Vector group ,magnetic balance and tap changer test in Transformer?

1548


Anybody know how schematic diagram for reverse power relay? RPR for generator protection

1142


What are the advantages of hydropower?

166


How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

1121


What are the operation carried out in thermal power station?

174


sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

1205


What is the two pole structure?

870


where are the circulat the diesel in DG parts name with pictue

1093


What is kirchoff ’s current law (kcl)?

167