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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 14486

working principle of UPS

Mantri,

15 90413

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

ABB, ERDA,

11 30245

What is four quadrant metering system.

5 43771

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

Airtel,

8 20081

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

Toyota,

10 19254

How does MCB operate without relay..?

Toyota,

10 29518

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

Radiant, Real Estate,

4 7014

why do we need transformers?

12 43546

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

3 7106

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

IOCL,

1977

why transformer does not obey ohm law?

27 52665

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

8 34811

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 6147

hr round

2139


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the transfer function?

1086


What happens to voltage when current through the inductor is constant?

1129


why cable i burning without tripping. how can protect led street lights

1581


What is nyquist contour?

1180


WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

2502


what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1915


what is alluminium arm in ab conductors

1994


how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

2015


difference between semiconductor & conductor & insulator?

2376


Why corona leads to production of Ozone and glow of the color VOILET?

1969


Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

2171


why swinburnes test cannot be performed on series machines?explain

2350


when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1981


Explain the different regions in frequency response?

1081


What happens if we connect a single phase energy meter in reverse polarity.

2362