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 1 + j2 9 + j10 3 + j6 3 - j6 1 + j2 9 + j10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Harmonics Load power factor Switching over voltages Corona Harmonics Load power factor Switching over voltages Corona 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. 1000 250 500 125 1000 250 500 125 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ no charging current no skin effect charging current but no skin effect no charging current but skin effect both charging effect and skin effect no charging current no skin effect charging current but no skin effect no charging current but skin effect both charging effect and skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current isolators are used 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 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 60 90 180 120 60 90 180 120 ANSWER DOWNLOAD EXAMIANS APP
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