1. Categories >> Engineering >> Electrical Engineering
  2. Suggest New Category
Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

npcc,

2230

Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

 1572

why do we provide metallic enclosure to bus duct and then ground it?

 1 3946

how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

 2373

Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

 2470

If any cable burnt how can we identify it burnt by high current of high voltage? 

 1990

Why we use Delta connection in the secondary side of a High Voltage transformer?

 1 3002

What is the function of NER and NET?

Asian Paints, GHH RAND,

2008

what are upstream faults and downstream faults in power system

Sreetech,

2 9120

What is the difference between surge arrestor and surge capacitor?

Shreem Electric Ltd,

2 8375

why we used dc supply for field in dg set

Hindusthan National Glass,

1910

in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

 2 3111

What will happen when we will connect lamp in between phase and earth. 

 3 4203

function of apfc pannel

 3 4191

Where is the best place to mount  distribution panel in a house.

Wantro Technical Services,

1621

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

1488

What are the properties of a resistor?

620

what the principle of sincroscope?how it works?when it needed?

1754

When color of silica gel will gets change from blue to pink from Top to bottom?

1109

what is gridrotor resistance starter

1427




What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1442

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6678

What does quality factor depend on in resonance?

645

i want to know that what is the eligibility critaria for ongc exam?

2556

how to discharge 3 phase power factor correction capacitors

1951

what are the applications of TIG welding

1160

what is the excess air in furnace

1584

WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

1961

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

5951

Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1241

For More Un-Answered { Electrical Engineering } Questions Click Here