GETCO Exam Paper (22-07-2015) Root Locus is locus of the _____ 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 close loop poles open loop poles to open loop zeros ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 2\3 6\7 5\6 7\8 2\3 6\7 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle always less same lesser than or equal to greater than or equal to always less same lesser than or equal to greater than or equal to ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of Line loss generation cost all are correct fuel cost Line loss generation cost all are correct fuel cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Reactance Relay Over current Relay Mho Relay Impedance Relay Reactance Relay Over current Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
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