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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If a line which is drawing approximatly 2100amps what should be earthing streep size(using galwanize streep)?

2 3839

why the field winding of synchronous machine is excited by dc source

2 6382

WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 9303

how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

2202

why transformer rating in KVA ?

Bhel, TATA, Voltage,

8 12405

testing ZNYn11(d) vector group transformer

1 9208

1.Why we use choke?If we use for high starting voltage then different type choke gives different voltage. Is it correct?

Dalkia, Luminous,

2 5627

which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 8427

why there is no grow of grass under the high voltage transmission line?

TATA, Tata Power,

3 10011

is it possible to minimize the copper loss?

Coal India, TATA,

2 5918

what do u mean by PS-0.2-5P class of Ct

ABB,

3 9445

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

UltraTech,

2708

How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

BOC,

2507

What consists of 2 or more thermocouples to be connented series?

2313

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2085


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

State the frequency for rc phase shift oscillator?

1121


if i get a drop in my 1st year and the i clear my 2nd year and 3rd year all clear and i dont have any back logs so can i be able to sit in campus selection??

1854


what is distribution board?

2305


What is a differential amplifier?

1250


How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

2374


why h parameter are called as hybrid parameter?

1974


How to Calculate KA Rating of Main LT Panel

1750


What do you mean by reach and reach the point of the relay?

1261


What is the role of Dedicated earthing in UPS System?

3101


700KW 6.6KV slip ring induction motor to use VFD to control the speed

3207


If a high resistance fault occurs,then what are the changes will happen in the system?

1457


Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

2002


if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

1908


how to apply b license to c license in tneb

1819


How can maintain our H.T. motors used in cement plant. please send me procedure.

5147