GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 6\7 5\6 2\3 7\8 6\7 5\6 2\3 7\8 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 sub stations for making and breaking of load current relays are used load interrupter switches are used circuit breakers are used isolators are used relays are used load interrupter switches are used circuit breakers are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ full load no load 3/4 load 1/2 load full load no load 3/4 load 1/2 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 200 100 300 150 200 100 300 150 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who was the political Guru of Netaji? Lokmanya Tilak Sardar Patel R. Das Gokhle Lokmanya Tilak Sardar Patel R. Das Gokhle ANSWER DOWNLOAD EXAMIANS APP