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Electrical Engineering Interview Questions
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WHY THE TRANSFORMER VALUE MEASURES IN KVA INSTEAD OF KW.

 4 5902

why do transformer humm ??????????

 2 4206

if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

 1 2862

what is difference between MCB & MCCB

 1 4292

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

 2 4164

how to calculate the size of cable tray

 3 11887

what is the difference between online and offline UPS?

Prestige,

4 9906

Upload data by LSMW via BAPI in SAP system.

 1 4649

the power consumption of perminant magnet moving coil?

 1 2546

what material used made for the resistance,for the purpose of zero temperature coefficient?

 2 3997

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 5639

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS

 2 2977

why open-delta core of 11kv Potential Transformer is 11000v/1.732/110/3?

 1 6396

whats was the problem if neutral and earth got 2volt from the ups output

 1 3014

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

 2 5960

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Un-Answered Questions { Electrical Engineering }

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1522

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

4411

Why derating factor os applied on Cables?

1515

What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1459

(1)Can earth and be conected together (2) what is the diferent between earth & neutral

1301




What is step signal?

633

What is miller crystal oscillator? Explain its operation?

674

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1493

Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

968

Keywords: Die, Card, Coin, B/N 2 To 12

794

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1246

WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

1585

Explain what is clipper and clamper circuits?

690

how maney type tempereture measurement ?

1828

which type of motor is used in automatic swing gate

1571

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