GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 5\6 2\3 6\7 7\8 5\6 2\3 6\7 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) In load flow analysis, the load at the bus is represented as a voltag dependent impedance at the bus none of these a constant impedance connected at the bus a constant current drawn from the bus a voltag dependent impedance at the bus none of these a constant impedance connected at the bus a constant current drawn from the bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for protection purpose measuring purpose as power transformer both measuring and protection protection purpose measuring purpose as power transformer both measuring and protection ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Steady state limit Short circuit limit Transient stability limit Reactive power limit Steady state limit Short circuit limit Transient stability limit Reactive power limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) I _____ tennis every Sunday morning am playing playing play am play am playing playing play am play ANSWER DOWNLOAD EXAMIANS APP
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