Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is KWH

2 4994

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 10647

what is impedence voltage

Thermax,

1 3172

what is use of reactive power in ac ckt.

2 4886

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

2 7524

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

2455

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

2134

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

2040

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

DRDO,

2 5099

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 5840

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 5907

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

Omega,

2173

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

Havells,

4 8217

how do i get electrical supervisor certificate in gujrat?

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

3 29064

how to work exciter in 10 MW alternator?

2 5688

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Un-Answered Questions { Electrical Engineering }

What is the function of under voltage release ?

1430

what is the use of sdf?

2102

what is Fan Control Cubicle

2488

what will happen if OLR CT in all phases are short circuted

2195

What is the main purpose of c.f.b.c.boiler

1723

What is BusBar integrity test and how it is conducted?

2272

What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

1912

Why star delta starter is preferred with induction motor?

1113

100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

2381

What is the count of hvdc transmission lines in india?

1100

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1881

when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

2056

Can we put 3 layers of cable tray while installing tray

2399

What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

2096

how to calculate transformer turn primary & secondary side 11kv to 420v

2195

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