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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is called star connection and delta connection also purpose of this connections?

Siemens,

3 8172

what is exiter winding,stator winding,avr?how it will work?

Siemens,

1 3254

how to make neutral to ground voltage less than 5v? my house is under the high voltage transmission line so,proper grounding using rod salt n coal doesnt help me..so wat i do as i cant operate my computer ..this high voltage cause great problem to the motherboard i already two times replaced it.in my house voltage is coming near to 25 v between ground and neutral.plz kindly post ur answer to my email id manish77777@gmail.com ..

3 8941

What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

1126

why we used servo motor insted of inducation motor?

1 2737

what is IP 55 & IP 54 ?

1 4489

why we used servo motor insted of inducation motor?

1 2876

what is mind in cable

BARC,

1119

what is different between IP55,IP54 and IP66?

ABB, Global Industries,

2 51930

which technique servo motor tested o.k or faulty ?

ABB,

1 3191

Please explain me abt PQ diagaram in the power sector.

1351

Pls explain about vfd control?Where it is used, Give some example?

Siemens,

3 4610

what is the design voltage for 6.6KV 2000 KVAR HT capacitor?

1 2877

What is required of exietation to the alternater.

4 4764

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

L&T,

1333


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Un-Answered Questions { Electrical Engineering }

what is breathing?

855


what is the method of earthing of a transformer using electrodes?

1266


What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

1317


we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

780


hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d.

1367






what is meant by residual over voltage & residual earth fault ?

7803


What are your future plans for the company if permanently employed?

1237


How to calculate loses in transformer of 160 KVA ?

767


Can clean earth cable be considered as low current cable

1106


what is the breaking capacity and making capacity of circuit breaker and how

1135


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1138


which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

1026


what is high - pot test. what's its use?????

1145


what is POTT and PUTT explain?

2242


why current is constant on d.c?

1094