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Electrical Engineering Interview Questions

wht do u mean by constant flux linkage theorem ?

18356

when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going to lagging and ampere suddenly going high,please give me suggestion to correct the same.

5257

How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

5537

Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

4241

what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

3799

WHY LINK NOT A FUSE IN AC CIRCUIT

4291

What is the Different between CT Class-0.2 & Class-0.2s ?

35591

what is impedence in transformer

3350

How to Calculate IKW(input kilowatt)of a Chiller plant

23159

Whats parameters which we keep in mind when grounded any electrical machine.

2399

domine+aptitude test means?

3231

What happen if 1200KW/1500KVA alternator runs at no load and high R.P.M.for one minute?

9338

I BOUGHT A HAVELLS ACCL WITH GENERATOR STOP FASCILITY(i.e- BASICALLY IT IS A AUTO CHANGE OVER SWITCH) FOR MY HONDA EXK 2000S HOME GENERATOR (WHICH START IN PETROL & RUN IN KEROSENE). ACCL HAS 8 POINT. 2 FOR MAINS(PH & NUE), 2 FOR LOAD, 2 FOR GEN AND 2 FOR IGNITION POINT(X1 & X2). THE IGNITION POINT IS SPECIALLY FOR AUTO ENGINE STOP WHEN MAINS POWER RESTORE. I CONNECT THIS X1 & X2 POINT TO THE GENERATOR STATER MOTOR & EARTHING POINT. BUT WHEN MAINS FAILS THE GENERATOR COULD NOT START, BUT WHEN DISCONNECT THOSE X1 OR X2 POINT, THEN THE GENERATOR START. BUT WHEN MAINS ON THEN THE GENERATOR SHOULD START, AND WHEN I OFF THE MAINS THE GENERATOR AUTOMATICALLY STOP. PLESE HELP ME HOW I STOP THE GENERATOR AUTOMATICALLY WHEN THE MAINS RESTORE.

9465

what would be the earth to neutral voltage in industries? if it is not main Taine then what will happen?

3681

what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

1103

Un-Answered Questions { Electrical Engineering }

What is thresh hold value of current?

1236

who many types of fire explane with exmple

1360

what is the significance of tan&delta and how it performed in power transformer

1051

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1238

What are the application of filter?

362

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1070

What is the previous name of Cox's Bazar

1145

3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1191

Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1417

how can maintaince the acb contactor moveing and fixing kit

1247

tell me some type of questions throught which i can prepare for exam and do my best

1253

What are reasond for high wattage in single phase induction motors

953

what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

948

What is the approximate value of stacking factor?

360

What is called limb of a transformer?

305