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Electrical Engineering Interview Questions

What is the required bending radius requied at the time of cable laying?

4013

Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

8094

How are harmonics produced in AC machines?

6092

How star and delta connections inherently eliminate triplend harmonics?

1971

IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

3043

Does the total power means fundamental plus Harmonics?

3176

Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

1308

can u please mail me the syllabus for GET exam for damodar valley corporation?

1431

why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference

18252

what is the formula for calculation of sac?

TCS,

6353

what could be the possible reasons for copper cable to have low insualation?

2280

do we use links in a dc circuit?if so what s its use in it?

1336

what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up

1699

what is the difference between synchronization and paralleling?

BARC,

36428

what is doubling factor in making current of a breaker?

BARC,

1356

Un-Answered Questions { Electrical Engineering }

Whata are the types of Cables?

1395

whats the existence of reactive power and when it arises?

1461

What are the differences between single phase and three phase?

1349

how to design the heater in temperature control unit to heat 50KL of water?

1231

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

670

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1243

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

1402

what is ramping rate of generator

1396

Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

1108

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1276

what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

1646

What is the dependency of stiffness on load angle??

610

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

1412

What is the function of electron gun assembly used in crt?

472

what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

1328