GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Over current Relay Mho Relay Impedance Relay Reactance Relay Over current Relay Mho Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the 2012 London Olympics bronze medalist in badminton? Jwala Gutta Saina Sania Ashwini Ponnappa Jwala Gutta Saina Sania Ashwini Ponnappa ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 22 N-m 10 N-m 23.5 N-m 0 N-m 22 N-m 10 N-m 23.5 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) The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be 3 + j6 3 - j6 9 + j10 1 + j2 3 + j6 3 - j6 9 + j10 1 + j2 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 7\8 5\6 2\3 6\7 7\8 5\6 2\3 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) Shunt capacitors in a substation consumes lagging VAR consume active power deliver active power delivers lagging VAR consumes lagging VAR consume active power deliver active power delivers lagging VAR ANSWER DOWNLOAD EXAMIANS APP
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