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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why can not you store AC power in battery like DC power?

NTPC,

1 4084

Can run 11KV(5MW) slip ring motor by appling 415V? if Yes and what are the processors?

2 1440

explain the meaning of harmonic resonance

1210

How can a transformer test by megger?

Bosch,

1 4216

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1022

How CT is connected to measure current by changing plug setting , ratio is 300 - 150 / 5 A ?

Ajanta Pharma, Bhel, Cosmo Films, Suzlon,

1 2388

any body can give me idea or sketch of fuel(Diesel) level controller for genset.

1 2306

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Bhel,

1368

'documenˁ

1104

IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

1040

what are factors to be consider in electrical installation like load factor,diversity factor .....

973

What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1064

what is LSR?

1092

why some transformer without breather.

GTS,

1 2910

what methods are used to improve power factor?

3 3708


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Un-Answered Questions { Electrical Engineering }

What is a signal flow graph?

250


I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

877


what is negative d.c. voltage, why this voltage is used in base transciever station.

1313


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

657


explain working principle of earth leakage relay

2633






which type of effect of turbine and generator reverse power protection ?

3349


how to differentiate a mpcb,mcb with a contactor? Explain their working operation

1228


What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?

862


Which do you think is the most significant cause of energy loss in a factory?

1399


Dear all, i completed M.E(Power Electronics & Drives) 2011 passed out having 78% so i need job in core side but i don't know how can i receive the calls from electrical companies and i uploaded my CV in naukri, times jobs etc.. In that iam not recieved any mails from good companies so give me best procedure plzzzzzzzzzzzzzzzzzzzzzzzz..... Thanks, K.Linga Reddy Email-id:-lingareddykmthm@gmail.com Ph no:-08015402078

971


What is the technical difference between On delay timer and a Star delta timer?

599


What is systematic error?

294


How to check the cable fault / hv test of transformer cable.

997


do we use links in a dc circuit?if so what s its use in it?

1129


what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

1343