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Electrical Engineering Interview Questions
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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 13272

working principle of UPS

Mantri,

15 85917

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

ABB, ERDA,

11 26156

What is four quadrant metering system.

 5 41437

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

Airtel,

8 17293

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

Toyota,

10 16674

How does MCB operate without relay..?

Toyota,

10 26539

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

Radiant, Real Estate,

4 5484

why do we need transformers?

 12 39333

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

 3 5788

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

IOCL,

1541

why transformer does not obey ohm law?

 27 45986

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

 8 31520

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 4665

hr round

 1653

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Un-Answered Questions { Electrical Engineering }

describe the Operation of induction generators from bus bars

1797

How to Prepare preventive maintenance shedule of machine tool.

1515

what is differant beetween overload current and phase current?

1766

What is a Phase shift meter? Where can I get one?

1642

how many load we can take for lighting

1747




Define ohm’s law for a.c (alternating current)?

619

What is miller crystal oscillator? Explain its operation?

663

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

1507

what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

4199

hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet

1468

WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

1807

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

1690

what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

2139

The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

1793

Details about Flux Compensated magnetic Amplifer starter for motors

1588

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