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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is phase to phase to phase to ground fault

1 2570

what is (+) and (-) in generator field detector stand for?

1013

How to calculate the sag of OPGW during stringing???

1713

How to Calculate The sag of OPGW in Transmission Line???

Zenco Systems,

2173

What is difference b/w Microwave and OPGW ??

1 2917

What OPGW is better than Microwave or PLCC???

Four Seasons,

3222

what is ground clearence ,what is minimum ground clearence ,i.e present value following in india ,is it changes wit conductor size ,kva rating.surface

3 6280

What is transmission line potential gradiant?

1 2700

at present how many 765 kv lines are there in india?

Emco,

5 7029

1.what is mean by 8/20 micro sec waveshape

Vedant,

1345

what is the requirement regarding earthing of Single conductor with AWA

1249

what is overflexing in transformer? setting?

1 2632

what is impedence of transformer? its formula

1 1655

how is differential relay working in transformer.comparison with generator defferntial relay

1 2715

yesterday i am using my laptop by plugging power supply also battery was working properly after while i unplugged AC power source ,using my battery i played car game (use much power) after that the battery finished the charge and it closed my PC. after that my battery not charge (when unplug automatically PC will turn off)

HPCL,

1 1479


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Un-Answered Questions { Electrical Engineering }

what is auto re-closer?

1529


Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

931


How many methods use the load flow solution?

237


Why does the adjacent zone of protection overlap?

242


What is the polarization index value ? (Pi value)and simple definition of polarization index ?

256






Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

1743


63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

1857


how to erect roof control panel?

1124


if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.

1161


what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1220


what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)

1097


How is operate breaker failure scheme in substation

1113


How halogen & merquery lamp works.

1111


what is the practical application of full adder circuit?

1090


Why we use mho Relay in long transmission line?

566