GMR  Placement Paper   General - Other   Not Specified-15 Sep 2008

GMR  Placement Paper   General - Other   Not Specified-15 Sep 2008


  • Posted by  FreshersWorld 
    7 Jan, 2012

    GMR PAPER ON 15th SEPTEMBER 2008 

    Hi i appeared for GMR- Airport. 
    Pattern is
    1.Written exam (q's 4m Power system, control system, EMFT, Analog, Electrical machines)
    2.Tech+HRInterview
    3.Hard core Tech Interview
    (toughest of all)

    some of interview q's are as follows
    Starting Methods of IM
    Speed Control of IM
    application of IM
    types Of circuit breaker n thr working
    Relays, fuses
    q's 4m power electronics 
    (application of phase control rectifiers, inverters, cycloconvertor, ac regulator, chooper)
    Transformer efficiency and losses 
    cooling of transformer,
    cooling of alternator,
    synchronizing procedure 4 alternator..
    what is power factor?
    q's on transformer banks
    why synchronous motor is not self starting??
    why IM is self staring>??
    Is transformer is a electrical machine ??(it is ..em )
    i was asked 2 make a SLD 
    layout of thermal power station
    q's 4m opamp
    Types of UPS
    dc motor applications (like where would we used dc series, shunt, compound etc...)

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