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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is KWH

2 4983

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 10641

what is impedence voltage

Thermax,

1 3167

what is use of reactive power in ac ckt.

2 4885

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

2 7512

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

2454

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

2130

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

2038

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

DRDO,

2 5096

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 5834

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 5900

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

Omega,

2162

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

Havells,

4 8204

how do i get electrical supervisor certificate in gujrat?

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

3 29047

how to work exciter in 10 MW alternator?

2 5682


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the purpose of silicon dropper used in battery charger?

7454


what transformer we used normally and upto which kva?

1948


what is difference between elr and R eartl realy.

2633


1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

1789


why impedance relay is used for medium transmission line protection

2329


what is the difference between circular wdg & ractangular wdg?

2056


WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

3180


why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

2278


what are the stresses in circuit breakers ?

2018


Define peak time.

1144


i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

1977


What current flows in the transformer primary when its secondary is open?

1257


why connecting surge unit in contactor coil

1885


why is control bus bi-directional?

2166


how calculated Transformer losses.

2038