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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how the harmonics are generated in transforemer?

IFFCO,

5 7463

What are the voltage values for LT,HT,EHT and other voltages??

INEL, MNC,

22 88553

Where there is voltage,there must be current.Is this right or wrong??

10 6474

what is the function and use of oil filled cables specify its advantages and disadvantages

Alstom,

7 22032

what type of cables exsisting in the world and how many types

Alstom,

9 9053

what is the difference between LATCH and FLIP FLOP

Wipro,

4 4732

what is resistor

9 6065

what is ground fault current? is there any current flow takes place through ground? is it possible? if it's possible whether it affect human beings on earth near the fault or not?

2 4261

WHAT HAPPEN IF GENERATOR TURBINE IF TRIP?

CEERI,

7 27230

EARTH AND NEUTRAL ARE JOINTED OR NOT?

7 8103

In neutral the current will flow or not?

17 32955

why series motor cannot be started on no-load?

6 22086

AT THE TIME OF INSTALLING THE POWER PLANT POWER IS TAKEN FROM NEARBY GRID AND GIVING THE SUPPLY TO THE GENERATOR WHICH ACTS AS MOTOR. WHAT IS THE NEED OF RUNNING THE GENERATOR AS MOTOR?

6 4790

why ELCB can't work if N input of ELCB do not connect to ground?

5 22254

Why in a three pin plug the earth pin is thicker and longer than the other pins?

LG, NTPC,

18 45028


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Un-Answered Questions { Electrical Engineering }

how to calculate the lightning arrester conductor @ no of earth pits required

1184


In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

1028


The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

263


what will happen when the dc supply is given to the capacitor?

626


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

2876






what is the purpose of bypass mode in energy lighting transformer?

1639


howmany electrician should maintain for a 1000 kva used plant... in kerala..

1188


how to measure earth resistance of a substation

2255


Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

246


What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

1383


can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

524


why the rotor current becomes in steady state during high slip region? please verify with equations.

1201


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

1174


Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.

1120


When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

319