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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

in 31.5 mva power transformer how to set of wti and oti?

HMEL,

1 4098

I have AC automatic voltage regulator 15KVA What output currant?

Siemens,

3 5616

I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

SECL,

2076

Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

2001

how much the voltage & resistance should be ,between earth & neutral points.?& why?

6 8346

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

2032

i have one ground earth for my shop but now he showing 11v how ever my machine engineer said that he require less than 3v how can we reduce it, i have put 8 bucket salty water in it

1 3364

In dc ckt. 24v or 110v, which one is more efficient and why?

2239

100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

2374

advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1801

which VFD is better ( LT or HT)

2068

I have a generator of 300kw.400V,50hz . what is means can i assume the load Red Phase with Neutral 300kw.Yellow phase with neutral 300kw and Blue with neutral also 300Kw. or - red with neutral 100kw same as yelloe and blue phase also giving 100kw with neutral respectively

3 5447

How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?

Karam, Power Grid,

3 12174

if i conncet ct with ct ratio of 600/5 to an energy meter having ct ratio of 100/5, the reading show by the meter will correct, if wrong is there any method to calculate correct value with shown value, if yes please state it.....

2 6503

how much LT load can bear by the 100 KW HT connection.

2222


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is resolver and glass scale in CNC how they work?

2281


How to calculate the heat load for a electrical room

3085


Load break swicth maintenance procedure.

1771


how to calculate energy of 3-phase motor?

2078


what is the max. acceptable leakage current in 33kv bus bar

3015


what is basic difference betmeen normal & flame proof motor??

2027


What are the advantages & disadvantages of a group electrive drive?

2145


how is the incoming cable size calculated for a given current rating of a panel??

1934


how to calculate mf when meter and cTPT detail are given

1841


what is the purpose of silicon dropper used in battery charger?

7454


What is a compensator?

1083


How to decide and select the different earthing wire size for the different types of earthing

2276


Write down the name of 2 lady Bir Pratin of Bangladesh

1900


What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

1923


What is the actual meaning of thermal power efficiency ?

2172