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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Uses of induction motor

NTPC,

6 28284

I want Primary side delta and Sec side Star connection transformer . but i have received Star - Star transformer ,shall i use the same transformer by giving the only 3 ph on Primary side without Neutral connection on the Starpoint.

5 8910

Why current flows in nutral? As per theory there should be no current in 3 ph explain.

Bhel,

11 15713

What is the difference between phase current & line current, how both can be measured in star and delta system

Doshion, MIT,

9 79061

Difference between ups

Emerson, Tata Power,

32 85795

What is the formula for finding fault level of generator?

11 33151

I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 3511

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

NTPC,

1518

What will be the average KVA rating of Auto Transformer for 75kw 415V , 3phase induction motor

2 4822

If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

MacLellan,

3 9661

what is relation between vector group of transformer and its load hormonics?

Sanmar,

1 3127

What are all present producing cost of Per KWH of various Fuel?

Sanmar,

1905

Why the generator rating in kva

CompuCom, DLF, Genpact, HNG, SIPM,

32 94959

Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1327

wat s the difference between diode and capacitor

TCS,

20 23064


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Un-Answered Questions { Electrical Engineering }

What are the properties of a resistor?

465


what is the eight bit unit?

1781


sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

1282


What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

1163


How to calculate Voltage regulation of 22 KV Over head Line.

1020






What is online and offline ups? how does it works?

1431


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2163


What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2129


Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1191


how to electrically make connection to ferroli GN2N?

1224


solor panels arrange some angle,panel is flat fitted energy was produced or not why?

1234


What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1174


what is the difference between circular wdg & ractangular wdg?

1366


Describe the control mechanism of missile launcher???

1348


What are the types of instrument transformer?

471