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Electrical Engineering Interview Questions

how electricity is generated an supplied till consumer

1231

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

1621

11kv has three live wires how much voltage is in its single wire(leaving the other two wires)

51688

what is the potential of 11kv A.B.Switch

4586

what exactly commisioning work does in electrical site work... LT side?..

1075

What are the causes for the failures of sandwich type (Al) busducts?

995

Which Class insulation is prefered for the sandwich Busducts ? Why?

1054

i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4567

can u guys pls suggest a good material for learning abt switch yard and its components

2512

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

1210

What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1116

What is the differance between a converter duty transformer and normal power transformer?

Bhel,

10678

What is the difference between ACB & MCCB?

11832

what are the protection equipments used betbeen HT line and transformer in a power plant

6412

why capacitor rating measure in KVAR. ?

7987

Un-Answered Questions { Electrical Engineering }

What safety followup during kWh meter isolation

1111

How equivalent impedance is calculated in thevenin theorem?

218

can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

953

what is High resistance grounding and whatis the criteria for the selection of High resistance grounding

1206

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

1624

which pump used in STP

1216

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

1087

salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

1120

How dia computation perfomed in cold rolling mills .

2172

what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

1492

Explain dc generator with its types?

187

what is the maximim current drawn by 1 phase and three phase welding machine

1040

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

509

What is the method of estamating of cable, CB,MCB ?

1155

What is mean by STUB protection?

1115