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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.

Sail,

1101

What is the concept of voltage & current its relation?

5 3859

what is the principle to generate energy from water or coal, plz define the step by step how & when electricity energy start from resource area to ours home meter & separate & how meter read the voltage or current?

1 2029

How to check phase R,Y,B

3 5009

What does OHB stand for in specifications for circuit breakers, especially found in SF6 circuit breaker?

1 2859

IN SOME CASE, WHEN I GIVE 24VOLTS DC AS INPUT, WHILE IN OUTPUT (THAT MEANS TERMINAL SIDE OF THE INSRUMENTS) I,M RECEIVING ONLY 6 VOLTS, WHAT IS THE REASON FOR THAT MUCH VOLTAGE DROP?

3 2682

why dc series moter is not started at no load?

IOCL,

5 21031

Is an SCR semi controlled device?

IOCL,

4 10975

What do u understand voltage reg. of an alternator?

IOCL,

1105

wd do u understand by stablity of ps?

IOCL,

2 3158

why ss stablity limit is more transient stablity limit?

IOCL,

1210

HOW THE AC GENARATOR CAN GENARATE REACTIVE POWER,HOW CAN WE CONTROL IT.AND OTHER SOURSES OF REACTIVE POWER GENARATIONS ARE WHAT.

3 3217

how can we run the induction motor at 9000 rpm ,by keeping frequency constant??

2 2772

HOW TO CALCULATE THE DOMESTIC POWER FACTOR?

3 4544

DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 3926


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Un-Answered Questions { Electrical Engineering }

How many gap between finger contact in a.c.b. and v.cb.?

264


How is magnetic leakage reduced?

196


What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

1693


HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

1117


In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

1172






what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

921


Which is the oldest hydropower plant in india?

203


1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

1845


how we can explain arc heatng?

1046


by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1109


While testing a ZCT what parameters have to check or measure?

1437


Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

1227


In vapour absorption refrigeration machine fluids used are

239


Earth bits close or open. Which is correct

827


Power Factor Correction Panel (Manual & Automatic)

1145