GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical DC motors two identical induction motors induction motor with any DC motor induction motor with synchronous motor two identical DC motors two identical induction motors induction motor with any DC motor induction motor with synchronous motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Impedance Relay Reactance Relay Mho Relay Over current Relay Impedance Relay Reactance Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The national song of India was composed by Iqbal Jai Shankar Prasad Bankim Chandra Chatterji Rabindranath Tagore Iqbal Jai Shankar Prasad Bankim Chandra Chatterji Rabindranath Tagore ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used KCL Faraday's law KVL all are correct KCL Faraday's law KVL all are correct ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 6\7 5\6 7\8 2\3 6\7 5\6 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) The surge impedance loading of the line will _____ if the length of the line is double four times become half double remains same four times become half double remains same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
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