Electrical Engineering Interview Questions
Questions Answers Views Company eMail

during installation time of transformer and alternator which points we have to observed?

672

what is principle in relay testing kit?

3 4913

how we can calculate which capacity capacitor bank we have to add for improve pf?

Torrent Power, JM Huber, Consultancy,

3 10980




what is the difference between LT and HT power supply?

Siemens, JSW, Center One Mall, Central University, Suzlon,

26 155361

why buchholz relay installed in inclined position

Eskom,

3 6575

what is zero sequence curr ent ?

4 14676

why we cant use AC supply products in DC supply?

21 9542

why 3 phase motors are preferable over single phase motors ?

4 3271




how to select cable size?

4 7366

what is the purpose of starter in tube light?what is it operation .

1 3226

1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?

NTPC, Tata Power,

14 15657

To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 3948

What is effect of power factor on change in voltage

apspdcl, APNPDCL, My Home Industries,

12 34194

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1191

which network topology offers the greatest level of tolerance?

768


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Un-Answered Questions { Electrical Engineering }

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

406


how can we make cable shedule for controll wiring ? which details must be required for it.?

802


in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4

820


What is the lower limit of break-down voltage of converter transformer.

636


please send me the previous year's question papers of jindal GET exams

4704






High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

758


Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

723


What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

1306


what is the major difference between LIBBP & HIBBP.. which one is most preferable..

1026


what is the AC Plant and how can do the work with parts and picture tell us 150 Tr

766


how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

3030


What is the difference between Droop vs Isoch Control?

971


what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

781


Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

924


i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

2078