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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what types battery chargers are there?wanted with details.

SCS,

3 4587

How to increase the specific gravity of DG batteries?

SCS,

3 4317

How to increase the specific gravity of DG batteries?

SCS,

5 8878

How to increase the specific gravity of DG batteries?

SCS,

12 14656

Procedure for conduting vector group test on power transformers.why it is conducted?

Grasim,

6 19676

hello friends..... any one have papers or any study materials?sail ,hpcl...?

967

hello if any one have papers vof hpcl or sail, plz send me

882

any one have papers of hpcl or sailof ELECTRICAL ENGG.

1 2733

What is the role of link in neutral in a three phase ac system?

10 23903

Electrical Diagram of Electric Arc Furance from transformer to Furances

1 4318

how on load transformer is chnage the Tapping ?

2 4772

diagram for soft stater ?

3 6752

installation of subsatation of33kv

917

why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

HCIL, Jindal, Siemens,

7 26898

plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

HPCL,

1184


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Un-Answered Questions { Electrical Engineering }

is there any phase difference occurs while primary and secondary side mutual induction occurs?

947


what is the importance of Partial Dischage test for Electrical Equipments

1007


I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

2977


Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

804


In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

955






What is the difference between hot and cold loop testing?

153


What is called limb of a transformer?

147


How To increase Knowledge Of boliler regarding To Only Electrical Field..

571


Explain about Leakage Test.

973


why different series of vfds (like allenbradley)are used in industry ?

1331


How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

1243


how we can calcultae the short circuit level for bus bar

1294


11 kV line deraction check by an Engineer.

1032


what is thermal resistance of PVC Cable.

843


how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

1083