Electrical Engineering Interview Questions
Questions Answers Views Company eMail

xfhnchncv?

1385

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 3520

suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 3978

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

Jindal,

1 3213

Where we use 30mA , 100mA & 300mA RCCB ?

BEL,

3 38881

can we do the star delta connection of capacitor for 3- phase motor starter.

1510

How to check the Bushings of the transformer?

1246

Differnce between earthing and nuetral

S Tech, wbsedcl,

3 7836

why the transformer has no starter

NTPC,

2 8274

what is the differance between HT motors And LT MOTORS.

Empire Vitrum Glass, Sappi,

1513

what is the speed of current

4 5389

There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

BS, Dynamic Software,

1 2945

What will happen if the field of synchronous generator is removed when it is in operation with no load?

HJ, UPPCL,

3 4926

What is the dc grounding system and what is diff between AC/DC grounding system?

1606

How many speed of dg start motor for engine starting time

1 2863


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the difference between unarmoured & Flexible cable? How to identified?

5393


sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)

1537


What is Instantaneous Earth fault relay,how will work

1654


How to distinguish whether MCB is DC or AC looking at it physically

1500


Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

1461






what is is the potential diffrence between two phase ?

5311


what is the ATS .And how it works.

1025


how maney type tempereture measurement ?

1799


ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

2420


what is the differebt between ac and dc fuse?

1833


write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

1654


What is the range of the stator resistance of 3 phase induction motor?

1428


How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?

1649


How to design the NGR Resistance

1582


How To Convert Apparent Into Real Power Without Knowing Reactive Power?

1244