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Electrical Engineering Interview Questions
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what is KWH

 2 3541

How to calculate the Sizes of the cable required for one specific load? Is there any formula for that? ( EX: For 400KW load,50mtr Length, What is the LT cable Size required?)

Texmo,

2 8947

what is impedence voltage

Thermax,

1 2101

what is use of reactive power in ac ckt.

 2 3535

How much should be the specific gravity of a DG set battery Electrolyte.

2 6167

what is the write prosidure of stringing of 8meter pcc pole.

 1797

what is the use of expulsition protective gap in 11Kv line.

 1503

How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

 1330

WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

DRDO,

2 3830

If two induction motors A and B are identical except that the air-gap motor 'A' is 50 % greater than that of motor 'B', then

Lanco,

2 4386

A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

L&T,

2 4231

how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

Omega,

1363

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

Havells,

4 6060

how do i get electrical supervisor certificate in gujrat?

DGVCL Dakshin Gujarat Vij Company, Infosys, ONGC, Orient, Reliance,

3 27118

how to work exciter in 10 MW alternator?

 2 4162

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Un-Answered Questions { Electrical Engineering }

How to design the earth grid for lightning protection in an industry

3345

What is the difference between Static and servo controlled voltage stablizer?

1457

what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

1864

What Normal(Tangent) towers and Tension(Cut-point) Towers?

4635

What are diffrent type of road taxes?

1306




Why to keep capacitor bank off while generator running.

1070

Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

306

how can we select the appropriate VCB ?

1670

how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

1419

How to calulate Locked rotor amper(LRA) for compressor type motors?

1119

why chock were used in old tubelights but are not newest tubelights?

1188

how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

1317

Where can i get practical knowledge of solar system?

795

What is grid collapse? what is the reason for it?

1359

What is sensitivity of a measurement?

521

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