GMR Placement Paper General - Other Not Specified-15 Sep 2008
GMR PAPER ON 15th SEPTEMBER 2008
Hi i appeared for GMR- Airport. Pattern is1.Written exam (q's 4m Power system, control system, EMFT, Analog, Electrical machines)2.Tech+HRInterview3.Hard core Tech Interview (toughest of all)some of interview q's are as followsStarting Methods of IMSpeed Control of IMapplication of IMtypes Of circuit breaker n thr workingRelays, fusesq'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 bankswhy 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 stationq's 4m opampTypes of UPSdc motor applications (like where would we used dc series, shunt, compound etc...)
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