Electrical Engineering Interview Questions

A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

11710

difference b/w bus bar and tie line?if possible explain with eg:

5184

what is a relation of energy in electromagetic field

2056

To avoid arcing what we connect in earthing.

HAL,

5889

At present how many HVDC lines are there in india

70223

How many no of flip-flops are required to get 16 bit counter

HAL,

15905

HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

9403

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

2382

How we find the size of cable if we know the current

19651

depending on what we can choose the rate of mccb considering that we know the total load

4331

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

ABB,

1283

WHAT ARE THE DFT AND RMS MEASURMENTS PRINCIPLE IN NUMERICAL TECHNOLOGY OF POWER SYSTEM ?? WHICH IS BETTER IN WHICH QUANTITY MEASURNMENT??

7397

what are the types of Distribution transformer vector group please explain

14522

What is the acessaries distribution transformer ?

Bhel,

10126

why causes the burnt of AC Electrical Motor ?

29357

Un-Answered Questions { Electrical Engineering }

why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

596

wheather the size of windings in motor and generator are the same

760

What is line resistance of cable & how it can be measured ?

225

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

1211

In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

744

sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai

1821

what are the range of memory address in plc for L&T lx7 4A

925

whats the existence of reactive power and when it arises?

842

I completed my BE EEE degree 2006 .... which license should i apply .... ?????

435

Why neutral cable carry current.

745

what are the applications of TIG welding

406

why effective resistance should be more than static resistance in transmission line?

826

What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

1142

Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

897

why is the conservator tank painted white on the transformer

1304