Electrical Engineering Interview Questions

what is KWH

3952

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?)

9668

what is impedence voltage

2384

what is use of reactive power in ac ckt.

3952

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

6608

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

1985

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

1693

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

1583

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

DRDO,

4186

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

4846

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,

4710

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

1628

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

6763

how do i get electrical supervisor certificate in gujrat?

27738

how to work exciter in 10 MW alternator?

4592

Un-Answered Questions { Electrical Engineering }

difference between main metering kiosk and check metering kiosk

2369

Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

1754

what is the need of starter in tube light and what type of starter is used in that?

1521

What is voltage divider rule?

713

Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?

928

How to set the relay,,??

1635

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

5233

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1535

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1531

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2427

Compare jfet’s and mosfet’s.

722

Classify driling machines.

710

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1220

why surge protectetor work explain with the help of circut diagram?

1536

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

1640