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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In what condition the HT fuse breakes?

994

What is mean by retrofitting of machine tool please brief.

1 2052

What is the difference between Busbar Chambar, MCCB board and MCB Board? How to choose to use which one in the system?

2 6983

1)What will be full load current for 1000kva 3 phase generator. 2)What will be full load current for 20Kva 1 phase inverter.

5 6509

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

ABB, Corsa,

1 2617

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

3199

What is the maximum percentage voltage drop (vd%)for a motor control center

1035

what is the function of impulse relay

1409

why connecting surge unit in contactor coil

931

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1097

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

1560

In EB metering we face problem kva jump even in no load condition.can any one help to control this

921

how to calculate bus-bar sizes? (copper bus-bars)

2 15564

What is GNR ? How much value of ground neutral resistance?

9 9103

Why transformer neutral earthing? What is advantages?

3 4211


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Un-Answered Questions { Electrical Engineering }

how calculate gd2 of ht motors

1358


how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1000


please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

938


The principle of switching circuits for different types of batteries in application of storage systems

1082


I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

1388






all interview questions with answers of ntpc (2000-2009

1295


how to test reverse power trip?

3012


Explain mechanical rotational system?

175


Define conversion efficiency of a power amplifier.

182


how does this job compare with others you have aplied for?

780


What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

1240


why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

2033


how to control the speed to switched reluctance motor

1037


How many types of protection relays are there based on the characteristic?

140


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

612