Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what types battery chargers are there?wanted with details.

SCS,

3 3823

How to increase the specific gravity of DG batteries?

SCS,

3 3427

How to increase the specific gravity of DG batteries?

SCS,

5 7233




How to increase the specific gravity of DG batteries?

SCS,

12 12559

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

Grasim,

6 17799

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

651

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

502

any one have papers of hpcl or sailof ELECTRICAL ENGG.

1 2217




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

10 21742

Electrical Diagram of Electric Arc Furance from transformer to Furances

1 3844

how on load transformer is chnage the Tapping ?

2 4104

diagram for soft stater ?

3 6056

installation of subsatation of33kv

609

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

Jindal, Siemens, HCIL,

7 24598

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

HPCL,

753


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Un-Answered Questions { Electrical Engineering }

What is PQA???Applications........

1101


Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

383


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

2424


how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

777


why dc is used in control circuits for MV & LV switchgeras instead of ac

513






We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

800


Why derating factor os applied on Cables?

745


Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

791


How much ph is maintained of water resistance starter for slipring induction motor ?

1128


HOW TO CALCULATE HV CABLE SIZING?

1715


EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

659


calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

2209


regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

736


I WANT BHEL PREVIOUS QUESTION

1061


What safety followup during kWh meter isolation

728