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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS THE REASON,WE USED THREE CORE CABLE INSTEAD OF THREE SINGLE CORE CABLE.

2 3353

why we connect the capacitor bank in star , not in delta in any system

2 5275

what happen if we supply 220v dc suppy to the bulb or tube

2 4056

what is pulverisation

2 3087

what is AVR? what is the function of AVR?

2 4367

in railways why we use the power in 10,20 30kv,why not in the multiple of 11kv

2 3695

Is it possible to interlock between ACB & MCCB?

Areva,

2 8520

How i can calculate current of cable according to ares?

Pharma,

1232

inductive power factor is benefit compare to capacitive????

3 3258

how the harmonic pluses take place in the flow of current

2 2757

what is the consuption rating of motor in one day

1 2395

Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 3881

A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

1315

how can we connect a distance relay to CT core that is for backup protection or metering?

1 3128

HOW CALCULATE MOTOR KW, IF MOTOR NAME PLATE MISSING, WE FIND ONLY MOTOR WINDING RESISTANCE ONLY

1 6221


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Un-Answered Questions { Electrical Engineering }

description about dry type transformers

1304


What is a parabolic signal?

439


how to increase or decrease speed in DC shunt motor by DC convertor

1515


how to decide choke rating for drive?

1670


is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

1299






what is ratio of copper wire size and current ?

1195


what is smartµ grid technology?under coal gassification?

1361


HOW TO CALCULATE THE VT SIZING?

2110


What is open delta Xformer? It's adavntages & Use?

1544


what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1360


how to calculate the lightning arrester conductor @ no of earth pits required

1424


Inductor and capacitor........power in one phase and ...... in it another phase.

1395


How calculated single phase induction motor req. Capacitor?

926


what is servo motor & how does it work.

1330


When we connect the large capacitor bank in series ?

455