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L&T Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Power generation in India is at 50Hz while in America its 60Hz so is there any advantage/Disadvantage of this ??

38 72939

define IDMT relay?

15 86170

I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

41 402741

how to calculate the capacitor rating for improving power factor

10 18277

What is the difference between KV,KVAR,KVA,KW?

6 54648





What are the applications that use Solid State Drives in your home?

1 4761

If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

6 9353

Hai I have 2500KVA,Transformer,13.8KV/380.DELTA/STAR.How much load that I can take interms of current?How can I calculate also when I have loads in KW?

10 13629

HAI,HOW TO SET THERMAL OVERLOAD RELAY FOR DOL STATRTER FEEDER AT START AND RUNNING?

4 13183

In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

11 19111

WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1337

How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?

12 178956

What should be the minimum depth of ground laid 66 kv ht cable?

3 5780

what is the minimum distance between substation wall and LT panel outer surface?

3 10535

Why size of HT cable is less then LT cable inspite of the fact that voltage is higher in HT cable?

2 6638

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L&T Electrical Engineering Interview Questions


Un-Answered Questions

how to calculate the breaking capacity of different breakers.

1455


What is the role of iis?

314


How do you query pgadmin?

260


Hello , I am using following java script to open new window in I.E,but i am facing an issue the new window hangs often while opening,when you move mouse it opens normally.Can any body help me why this is happening as i am unable to understand this issue?please please if any one know so kindly help me I am in real difficulty through this issue.Thanks 'if(window.clipboardData){clipboardData.setData("Text","' + a.PatID + '");}' + 'ordwindow= window.open ("' + @OrderDetailURL + '", "RXOrderDetail", "location=0,status=0,menubar=0,toolba r=0,scrollbars=1,resizable=1"); ordwindow.moveTo(parent.screenLeft,0);var x; x=new ActiveXObject("WScript.Shell");x.SendKeys("% "); x.SendKeys ("x"); //fcttest((sp_RX_ChangeOrderStatus ' + '''' + a.DocID + '''' + ', 1, ' + convert(varchar,@SessionID) + '));' As [W],

1587


What kinds of performance tests might be required for a word processing system?

1049






Difference between managed associations and hibernate associations?

61


What is trex and how it is related with xi?

3


How to index LF by relative record no (RRN)

2520


How do you crop a gif in powerpoint?

67


What is CLR and its application.?

336


What is expression parser in c++

1651


What is the difference between operator overloading and function overloading in C when compared with C++?

1093


what is the reason while warning lamp is on while the engine is cranking?

1363


any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

963


How to fetch the values of selected checkbox array using jquery?

280