Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why voltage drop will occurs in 3 phase line?

ABB, Servo,

12 15032

As all us know that the capacitor panel is connected to improve the power factor when it is PF is low. whether we can connect the capacitor panel on D.G. side(? If it is yes means why?

Essar, Aricent,

1 3762

How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1 5180




HOW TO CALCULATE THE CAPACITOR RANGE FOR LOAD FOR PF IMPROVEMENT? EXPLE:FOR 65 HP LOAD HOW TO CALCULATE CAPACITOR RANGE?

Reliance, Al-Malik, All Star Electric, GEC, Universal Industries,

12 33209

what is full form of lv and mv? 2.while we connect capacitor to generator what will cause for it?

ABB, Wireman,

4 22874

hw to calculate flc of motor ? data are:3-phase,50Hz,30kw

Reliance, BRG,

6 20372

how to find motor contactor rating and bimetalic relay rating? of 30kw motor which will operate on star-delta starter?

L&T, HCC,

6 14407

wht factor are considered to design ACB( air Circuit reaker) 415V

3 3715




hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

ABB,

9 7838

How can we calculate the fault level of the distribution system knowing the percentage impedance of transformer & subsequent equipments.

14 49519

WHAT HAPPEN WHEN CT SECONDARY OPEN DURING LOAD

Neco,

16 20574

HOW VFD USED IN ENERGY SAVING

ITC Infotech,

8 21958

whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?

TCS,

6 4067

How do we check transformer losses and what are the ways to minimise it.

5 11156

if earthing is used in place of neutral how the circuit completd.

Epitome,

7 9433


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Un-Answered Questions { Electrical Engineering }

Single line digram for 11 kV to distribution use go,la and do

416


How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

515


How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

759


1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

1146


How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

2823






How To increase Knowledge Of boliler regarding To Only Electrical Field..

195


what kinds of Transformer oil grade is better for power transformer ?

352


one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

887


what is the difference between dropout fuse and horn gap fuse. how to choose between them

5908


what is the carona effects meaning in HT line transmmission system

561


How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

351


what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

325


WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

1996


I want single line diagram for AMF & DG syncronizing panel

4877


How to megger test 11 kV cable and the acceptance IR value

1587