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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What products have you designed which have entered high volume production?

Intel,

1829

What was your role in the silicon evaluation/product ramp? What tools did you use?

Intel,

1744

If not into production, how far did you follow the design and why did not you see it into production?

Bharti, Havells, Intel,

1918

what is the reason of power development in synchronous generator due to saliency ?

 1 6710

How is a 100 MVA transformer cooled?

 9 22695

What are the main Electrical IS rules?

3 9374

when we increase load , current drawn from source also increases why ?

5 20959

what is the difference between earth and neutral?

Bhel, Emerson, HCL, JLL, L&T, Siemens, TVS,

56 152579

What is thyristor?

 13 26490

What are the technical reasons for soaking transformers for various times before allowing them to pick load after a fault ?

GE,

4 53664

what is the instataneous value of voltage in a 3-phase balanced star connected circuit?

 6 11622

At which conditions a synchronous motor acts as a synchronous condenser?

KSEB,

9 25602

What is the power ratio between power in Star and Delta circuit?

ST Micro,

11 41618

For an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

8 18725

In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

 9 14403

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Un-Answered Questions { Electrical Engineering }

Is any generator is developed which is operated with out diesal or other expensive source?

1864

What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

1350

limitation of conductor height on ground when we consider EMC

1727

How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

3001

While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

1661

how can we change the phase angle b/w two phase?

4574

Why the field rheostat is adjusted such that the voltmeter reads 380V

2041

Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

1732

How to calculate multiplying factor of dc energy meter

1388

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1831

Define early construction of human being

1675

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

1825

what is the use of the circle diagram

4971

In CTs tan delta point should be earthed , what is the reason behind it?

2732

Explain the functioning of diode?

825

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