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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate the load loss and no load losses of the power Transformer? i am having the following details : full load ct : in AMP HV :1676 ; LV:31.5 1800 KVA ;33KV/620 V for wind mill applications

ReasonSoft,

2 14406

working principle of UPS

Mantri,

15 89945

What is the technical reason for adopting color coding of three phase system as RYB.

ABB, ERDA,

11 29925

What is four quadrant metering system.

5 43551

What is harmonics. How does it get generated and means to arrest harmonics

Airtel,

8 19851

Difference B/W A/C & D/C Motors..?

Toyota,

10 18983

How does MCB operate without relay..?

Toyota,

10 29225

if we appling capacitor at above rated what are looses and what will be happen

Radiant, Real Estate,

4 6868

why do we need transformers?

12 43137

Why Humming noise originated in Starter motor and how it was generated ?

3 6957

i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

IOCL,

1939

why transformer does not obey ohm law?

27 51955

Why high voltage lines (overhead ) are called high tension lines?

8 34537

say a transformer is designed for 33/11kv step down with ratio 0.33 for load 1 mva. if am giving 11kv as a input that same transformer what will happen to its o/p voltage. and whether it can be operated for 500kva

4 5990

hr round

2077


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

1745


Why delta star trformers are used for lighting loads?

1150


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2055


PAC and simple Ac different

1465


how to commissioning the genset with amf panel?

2363


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

2017


please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1931


A cotter joint is generally used to transmit

1202


why generator efficiency is more in swinburnes test?

2169


Is it posible to instal one more SMDB from the existing SMDB and is it practical.

2048


How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

2361


Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

1668


How does zener phenomenon differ from avalanche breakdown?

1120


Which type of DG need Netral Earthing?

5230


Explain cmrr?

1083