Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 24327

How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

4930

what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

UPPCL,

1 10712

how many electricity poles are there and what are the names and their sizes.

1411

what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.

Ordnance Factories Board,

2 10974

what is the form factor of DC voltage

5 19686

what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.

1 2307

can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

UPSC,

1746

how much load 15kva dg set can bear

7 19823

what is the value of voltage & current lightning during rainy season.

1512

can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

1368

how much load 15kva dg set can bear.with full explination and how to calculate?

2 14740

WHY POLARITY TEST OF CT IS VERY IMPORTANT IN SWITCHGEAR

Birla, Reliance,

3 18816

in three phase it represented by R-Y-B.what is full form of R-Y-B.

Sun Pharma, TCS,

11 39067

WHY AREWE USING THE 3 1/2 CORE CABLES IN POWER TRANSMISSION

Phoenix Technologies,

1 4900


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the purpose of shading ring or shading coil in electrical equipments.

3929


Please explain me abt PQ diagaram in the power sector.

1902


which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

1451


why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2435


how to store the thunder power?

3732






hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

1609


condition Autotrip facia come on control panel of electrical transmission line?

1065


What is sensitivity of a measurement?

670


Explain what is electric traction? Explain few advantages of electric traction system?

588


what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. 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

1790


What is inrush current? how can calculateit? what is the affect of it?

1512


Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

1565


i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

1129


what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

1809


if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1312