Answer / bishnu charan das

Dear friends, Actually it is poly-carbon oil.

Answer / khadar baba

there are different types
ex:PCB(poly chloride bi phenyl)

Answer / raman

Napthayan oil

Answer / ravindra prajapati

pain clear yellow

Answer / suman kumar

silicone oil

For 300MW and over a distance 250 km, what voltage be selected? and no. of circuit?

5 Answers   DPL, NTPC,

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How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

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-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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What is stepper motor. What is its uses?

0 Answers  

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hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

0 Answers  

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what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

3 Answers  

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what is the magnitude of earthing and neutral voltage

2 Answers  

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What is maximum rating of transformer ?

2 Answers  

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How to calculate HT XLPE CABLE for 11 kv / 433 v , 1500 kva oil type transformer system? plz provide step by step calculation

15 Answers   Engineers India, Indian Railways, Polycab, Shashwat, Sitara Energy, Sonali Bank,

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how to design coil turns ?

0 Answers   L&T,

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why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

0 Answers  

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