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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why on delay timer used for fully automatic star delta starter?

828

Type of motor stater detail and working detail

887

How capacitor improves pf

790

What is use of starter and choke in tube light

904

What are disadvantages of capacitor

1 1945

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

718

Difference between Lugs and Thimbles

ABB,

8836

how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

818

How to find HT side and LT side(of a transformer),with the help of a voltmeter?

Odisha Power Generation Corporation OPGC,

1 4246

do we use neutral grounding for resistive balanced load? if we use what happen?

NFC,

969

While miss missed name platform fo electric motor how to calculate simple fourmul,?

ABB, ABC,

1 1550

Neutral to earth and phase to earth voltage how much.

2 2214

we have one 75kw motor 380 volt 3ph amp134 please advise which size of cable required

2 1666

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

Altra Power,

856

Hello every one I am currently working in IT side but i have an offer to work under 'A' license holder and he says i can get c license what is the use of c license and what shall i do after getting it basically i am an electrical graduate please help me shall i leave this it job and work in electrical maintenance will i have a good future i am confused Thank You in Advance

1 1156


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Un-Answered Questions { Electrical Engineering }

ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

1473


When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

257


I want to know all basics of electrical engineering

1027


what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

2026


what is the difference b/w absolute encoder and incremental encoder?

1111






What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

1417


What are the three constants associated with a steady state error?

262


how to calculate the tarriff for an industry whose kva demand is 10 mva

1132


Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

1384


what is the synchronous timer ? and it applications.

1503


are there rmu for 3 transformer?

996


hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2083


Why a tesa lamp is glow between two phase?

1065


what is laser diodes?

278


Star Delta Diagram with full description

1467