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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

1 kva how much amps? How to calculate ?

L&T,

2 6297

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

965

which is the best institute for PLC,SCADA,DCS in hyderabad

1376

WHY SPEAKER OUTPUT IN WATTS??

2 2435

if we give 60 hz single phase supply to the transformer used in europe , than what will happen

Core Logic,

1063

Is there any decided or standard frequency to check the meager testing of transformer, DG set, LT Panel in the industries in a year. I means how many times we should be check the same.

2 2794

which will glow brighter?bulb 1 (110v,100w) and bulb 2 (230v.200w) series connection

EnPower India,

6 5046

Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

Jindal,

5 4509

Why is the earth fault relay connected to the Yellow Phase?

4 6667

why extension in transmission tower is made?

1 2651

what is the different between counterpoise earthing and pipe earthing?

1 7917

In case of motor Power Factor Generally We Apply A Capacitor But How Can We Know That A Motor is Running On Very low Power Factor And What Rating Of Capacitor We Have To Place And Tell Me Conversion Of Micro Farad to KVAR>

2 2100

do we convert single phase line to three phase at minimum cost?

1 2661

Is it possible to control the power in transmission lines by remote controlling method?? if yes explain in details???

1 1930

why the blede and jow of isoletor demage in substation?explan.

1 1694


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Un-Answered Questions { Electrical Engineering }

HOE WE CAN IMPROOVE BY USE OF CAPACITOR

1036


What is EMC filter in VVVF Drive ?

1641


we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1149


what is high - pot test. what's its use?????

1101


How to findout raw or ups power? its not indicated in socket,

1070






operation of diesel generator

1049


how to decide the capacity of accl

1298


what is earth resistance? how to measured? and give values at power station and mcc area?

1064


Testing report of Earthing of 3.15 MVa PTR.

1559


what are the interview question asked in wind mill about electrical

1454


why burdens of VTs is more than CTs?

770


boiler is running in rankine cycle and deisel generator is....?

1095


how invertor convert the dc into ac give brif detail

1061


What is dynamo function in DG sets and draw block diagram?

1062


low frequency protection why recomend?

1247