Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between thermal magnetic release and microprocessor based release breakers. what are the advantages of latter over the first one...

TCS, Jackson, Karthik Industries, McD BERL,

5 34286

what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 29577

how to connect from a line-to-line connection to a line-to- neutral connection?

6 4511




what is the function of a starter in a motor? explain RLC circuit.

14 62565

wap to print prime number from 1 to 100 using c++

1 5327

wat are the transmission losses.... how can it be compensated....... wat s power system.......

TCS, NTPC, NPC,

1 2795

wat s reactive power.... how could it be compensated.....

TCS,

4 4006

If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

Amara Raja,

787




how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

OPS,

1523

What does VVVF stands for in VVVF drive ? How does it differ from VVF drive?

HAL,

8 34230

Iwould like to know barc interview questions

BARC,

1811

how LT meggar works

Essar,

1 4307

what is saturation in transformer

Essar,

9 37964

if voltage is not builed up in small generator what will be the reason?

century,

7 5803

what is droop?

Alstom, Bhel,

13 67202


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Un-Answered Questions { Electrical Engineering }

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

378


what is the effect of power factor of machines in starting current

729


why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

656


Which type of questions well asked. ?

568


why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

638






1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

878


what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

730


For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

719


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

663


explain remenance . differentiate high remenance type ct & low remenance type ct

683


will there be any problem by recovering slip from single phase induction motors?

652


In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

1997


how we find transformer capacity by ohm

879


How much weight an electrical engine can pull??

848


Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

1785