GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 5\6 2\3 7\8 6\7 5\6 2\3 7\8 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) When the load is suddenly increased in the receiving end of the system, the phase shift will Not affected remains same decrease increase Not affected remains same decrease increase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current circuit breakers are used load interrupter switches are used relays are used isolators are used circuit breakers are used load interrupter switches are used relays are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay ANSWER DOWNLOAD EXAMIANS APP
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 200 300 100 150 200 300 100 150 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the 2012 London Olympics bronze medalist in badminton? Sania Jwala Gutta Ashwini Ponnappa Saina Sania Jwala Gutta Ashwini Ponnappa Saina ANSWER DOWNLOAD EXAMIANS APP
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