GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because PF of the load can also be estimated all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at CTs and PTs circuit breaker transformer bus bar CTs and PTs circuit breaker transformer bus bar ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is lagging zero unity leading lagging zero unity leading ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) Root Locus is locus of the _____ close loop poles open loop poles to open loop zeros close loop poles to close loop zeros open loop zeros to close poles close loop poles open loop poles to open loop zeros close loop poles to close loop zeros open loop zeros to close poles ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which Indian hindi movie is released most recently (as on 22/07/2015)? Bajarangi Bhaijaan Aisa Yeh Jahaan Bin Roye Drishyam Bajarangi Bhaijaan Aisa Yeh Jahaan Bin Roye Drishyam ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
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