tag:blogger.com,1999:blog-84386702212872927742011-07-08T11:09:16.331-07:00This might help you to have an idea.....Selva Kumar Rhttp://www.blogger.com/profile/00182706414722578787noreply@blogger.comBlogger21100tag:blogger.com,1999:blog-8438670221287292774.post-62602621948944152182009-11-27T02:06:00.000-08:002009-11-27T02:16:38.228-08:00These are some of the NTPC Interview questions which were asked to my friends...<br /><br />1)Which is more harmful? AC or DC? Why?<br /><br />2)How much will the frequency vary in a power system?<br /><br />3)Human Body withstanding voltage?<br /><br />4)How will you step up your DC voltage?<br /><br />5)One question about your project?<br /><br />6)What is Potier triangle?<br /><br />7)Draw the inverted V and V curves?<br /><br />8)What is Ferranti Effect?<br /><br />9)What is slip?<br /><br />10)What type of winding is used in motors? Star or Delta? Why?<br /><br />11)What are the different parts of the Transformers?<br /><br />12)Draw the equivalent circuit of Transformers?<br /><br />13)Draw the Transformer?<br /><br />14)Tell about Salient and Non-Salient poles? Where both are used?<br /><br />15)If there is a frequency drop in a Power System how will how rectify it?<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8438670221287292774-6260262194894415218?l=electricinterview.blogspot.com' alt='' /></div>Selva Kumar Rhttp://www.blogger.com/profile/00182706414722578787noreply@blogger.com0tag:blogger.com,1999:blog-8438670221287292774.post-18187829859759587992009-11-26T09:57:00.000-08:002009-11-26T10:05:19.094-08:00These are some of the questions which were asked in Jindal Steel and Power Ltd.<br />1)What is rotating magnetic field?<br /><br />2)How does the lightening arrestor work?<br /><br />3)What is the bus fault voltage in a power system?<br /><br />4)What is the maximum efficiency of a transformer?<br /><br />5)Draw the V-curves?<br /><br />6)I have a voltage source V and three Capacitors. How is it possible to get 3V?<br /><br />7)Tell about Bucholz Relay?<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8438670221287292774-1818782985975958799?l=electricinterview.blogspot.com' alt='' /></div>Selva Kumar Rhttp://www.blogger.com/profile/00182706414722578787noreply@blogger.com0