Electrical Engineering Interview Questions
Questions Answers Views Company eMail

can induction motor becomes as a generator. if yes how it is possible. if there is a squirrel cage rotor.

6 10437

I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

1609

how system fault level is calculated?

HCL,

1 5634

how braking & making capacity of circuit breaker is calculated?

1559

How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 2797

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

ABB,

5 9165

could anyone suggest project title

Engineering,

1 2982

What voltage is used in Directional earth fault relay? and why?

L&T,

5 10139

Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

TCS, TRR,

3 8953

why ac generator ratings in kva only why not kw ????????????? ?

7 11549

tell me exact relation b/n voltage and current and which one is depend other

HAL,

7 7177

without any excitation we can strt any dc or ac moter?

Bhel,

6 10591

why transformer are rated in KVA not in watt?

DMRC, L&T, TCS,

7 15998

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

Megatron Solutions, TCL,

1604

what is the distance maintained between the power and data cables with respect to the KVA .... plss give me the formula

1 3500


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1286


What is the polarization index value ? (Pi value)and simple definition of polarization index ?

758


Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

1501


how to determine motor size for a fan application?

1785


1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6700






what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1545


how to size H.T & L.T Panel ?

1636


71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1232


Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

3228


why we are using earth pit in sub stations.?

1554


what is the criteria for selection of conductor used for ehv ac electrical dischrge

1603


Advantages of using generator circuit breaker (GCB) scheme in a power station ?

4735


why the active power flow of some line is increased when the active power of out is cut ?

1643


How to check the Bushings of the transformer?

1261


what is mind in cable

1567