Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the advantages of having high voltage in transmission lines?

4 3294

What Should be the rating of transformer used in 33KV substation?

3 6783

onan full form

4 2560

n1 =1000 n2 =?;v1 =200:v2 =400

APGenco,

1 1679

HOW MUCH CURRENT CAN CARRY A 50 kvar DELTA CAPACITOR BANK?

2 2587

what is function of rtu?

1 1891

hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

361

how is the many rpm of acb charging motor ?

1 2082

why the transformers are rated in kv not kw?

L&T,

6 3434

why we grounding the neutral of a transformer?

GAS,

3 1931

Does human body can effect the electric shock when stand on Insulated material?

2 1746

why we create vaccume in transformer tank before oil filteration?

CG CoreEL,

3 2547

what is apparent poewr, reactive power, & active power?

531

what is the difference between RTD & TERMO COUPLE?

1 2288

what is the difference b/w low voltage motors & medium voltage motors

1 1924


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Un-Answered Questions { Electrical Engineering }

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

528


WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

1951


How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

463


If breaker is undefined position, first step to do.

323


what is the maximum temperature rating of a thhn insulated conductor?

47


for 750 kw LT load what will be the ht kva

117


sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

558


What is domestic transformer? Draw the connection of domestic transformer.

679


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

369


if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

101


use of PIR in ehv breaker

538


what is transient stability analysis means?

401


what is droop control?

446


How can I calculate ISF of current transformer?

1119


What is the effect of solar radiation on the design of an Isolated Phase Busduct?

603