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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why positive terminal of DC 48V was earthed?

1 4739

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

1 2239

Why did call copper as a electrical conductor?

ABB,

2 4829

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

1 2171

How we can come to know the substation range,without go through any name plate ?

CG,

1 2174

why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

Siemens,

1 2999

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1 2097

why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

QRG Health City, Siemens,

2 7471

In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??

2 4780

How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

Gulf Industrial Services Company GISCO,

1 1948

why needtwo winding LV and HV in transformer?

Organic Industries,

1 3860

can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1 2067

Why Closing coli supervision is not required for Circuit breaker.

JSW,

1 6423

Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.

2 4154

How to calculate earth wire load by formula

Caparo,

1 2676


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

i've iocl interview.. if you know the interview process please give me information..

2104


i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

2057


In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

2350


Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

2451


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2094


sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

1923


please give some hindalco placement papers for written exam

1882


how many stairs have you climbed while you were coming

2252


Do you need any help with FEWA Electrical Supervisor exams?

1075


can you plz send l&t aptitude questions if available its urgent plz plz plz

2192


Draw the line diagram of diffretial relay connected to transformer?

2515


please send me the L&T Emb. sys. placement papers and entire details of pattren

2406


If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

2309


What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

2239


hi can anyone pls tell me the eee interview core questions asked in l&t

2142