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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1898

what is real and reactive power?

2 4415

what is mean by drives?

1963

what is Bucholtz Relay test???? Explain??

KSEB,

2 7469

What are the procedures followed for underground cable laying.....???

KSEB,

2 11099

Give a brief idea about Control circuit wiring in Substation...???

KSEB,

2 5925

what is oti and wti

Jindal,

3 8208

why we choose 50 or 60 hertz not other value for the power system?

4 8065

how maney type tempereture measurement ?

TATA, Tata Motors,

2209

Why the rating of dc machine is in HP??/ Do reply guys..Its very important......

Apollo,

4 6971

why transformer ratinh is in KVA????/

Apollo, Priyadarshini, Reliance,

8 10032

what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 4967

why we have and use 3 phase not 2 or 4 or other in power system?

2080

can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

2005

what is trip circuit supervision relay? How does it work in switchgear?

Radha Regent Hotels,

6 38694


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why does the magnetic balance tests at transformer?

1908


what is two point starter?

2068


Pls mail me utility & Dg related question with answer

1750


Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

2181


SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

6739


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

1526


advantages & disadvantages of Lagging and leading power factor .

9577


how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

2001


HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

1826


Please elaborate th´evenin’s theorem?

1088


power transmission pole used one support , that only for support or earthing

1921


What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

2015


draw 3 phase rectifier diagram

2151


in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1814


WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?

2164