Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why stone used in Transformer yard.

Birla, Eskom,

9 31911

what i the full form of ABS 111 in transformer.

Birla, Ford,

1 3820

why not use capacitor in Dg sets.

Birla,

10 11393

whta is difference between contactor and breaker.

6 7606

what is difference between single phase and three phase.

Birla,

2 5265

what is difference between DC and Ac

Birla,

5 5534

induction motor. we have a three phase supply from diffrent source like R= transformer. Y = DG sets. B = ups. if motor is runing.

Birla,

4 5709

how capacitor active and reactive.

Birla,

1 3796

what is phase and neutral.

Birla,

2 4691

what is IDMT relay.

Birla,

4 12729

what is the full form of FRL (3/20,7/20 EARTH WIRE)..????

Aster, Divis Laboratories, FRL, Gasco,

3 13523

Where is the center of magnetic field in alternator

GMR, Siemens,

1 5158

what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 3409

why corona loss is less with negative polarity?

3 15091

hi pot test principal

NTPC,

1 4106


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Un-Answered Questions { Electrical Engineering }

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1396


1.What will be stored in online ups EPROM IC?

1565


what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1416


it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1515


Discribe type of fault in DOL and stardelta startor.

1766






ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3662


whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

990


What is meant by reactance voltage?

587


why are u join ntpc

1690


Why Ac Systems Are Preferred Over Dc Systems?

742


hey guys help me out.....what  are the industrial uses/functions of nozzles in industries 

1117


hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

1377


wat is the first thing dat is needed, 2 lay a cable in some area??

1388


WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

1378


State any two nuclear power stations in India, with their generating capacity.

1351