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Electrical Engineering Interview Questions
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how do we calculate contactor and fuse rating for a motor if its full load current is known,i want exact calculation for 1.5 kw motor????

Allied Group, Nucon,

1 4380

what is the difference between 2 way and 4 pole selector switch???

Allied Group,

1365

how to calculate 'In'in a system?

 2 2322

what are the importance of earthing?list different types of earthing.

1 3742

Why only 1 CVT in Y-phase is used for synchronization in 3 phase power system?

Reliance,

1 4097

What is the causes Power Factor become leading and what is the effect of Electrical system ?

 2 2697

It is a three inch fan and i want it to rotate to other direction .I've tried cutting the wire and reconnecting them inverse like black to white and white to black ,but it won't start rotating when i plug it in that way.And then it works again when i rejoin the wire to the way it is. I don't know what causing the problem.Is there anyone familiar with these small mortor?Any suggestion would be appreciated.Thanks!! http://i296.photobucket.com/albums/mm163/sasukebloodwheel/110527-105859.jpg

 2 1997

what is the pressure in side transformer under normal condition?

 1 2174

What is SFU ?

4 4606

What is the difference between line Distance protection and Line Earth Fault Protection?

 1 2519

how will you find out the fuse failure by remote operation?

 1 2338

what is the purpose of using semiconductors in HT cables

Sterling,

3 17572

What is the fullform of IPS in substaion using Aluminium Tubes

L&T,

14 38125

Pl. brief about break-down maintenance of machine tool.

 916

How to Prepare preventive maintenance shedule of machine tool.

Concast,

1030

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Un-Answered Questions { Electrical Engineering }

what are the types of electromagnetic forces developed in practical transformer?

1650

sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....

1091

i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

2379

How to checked frequency drive output voltages?

180

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

5975




What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

1783

what is the need of starter in tube light and what type of starter is used in that?

1057

Iin ESP why positive is grounded ? why not negative ?

1377

What is CCT (Correlated Color Temperature) ?

938

what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

1242

How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

1108

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1108

How to calculate the size of earth cable to earth the neutral of UPS ?

892

What is a DC series motor?

196

What is the Current equation in series RLC circuits.

175

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