GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 6\7 7\8 2\3 5\6 6\7 7\8 2\3 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) In a DC motor, back EMF value becomes maximum at _____ 1/2 load no load full load 3/4 load 1/2 load no load full load 3/4 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of circuit breaker motor alternators transmission lines circuit breaker motor alternators transmission lines ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The president of India must have completed the age of 35 Yrs 50 Yrs 21 Yrs 30 Yrs 35 Yrs 50 Yrs 21 Yrs 30 Yrs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 500 125 250 1000 500 125 250 1000 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Impedance Relay Mho Relay Over current Relay Reactance Relay Impedance Relay Mho Relay Over current Relay ANSWER DOWNLOAD EXAMIANS APP
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