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 1 + j2 9 + j10 3 - j6 3 + j6 1 + j2 9 + j10 3 - j6 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by 0.4 -0.4 1.8 1.2 0.4 -0.4 1.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle greater than or equal to lesser than or equal to always less same greater than or equal to lesser than or equal to always less same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 10 0.5 100 1 10 0.5 100 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Mho Relay Over current Relay Reactance Relay Impedance Relay Mho Relay Over current Relay Reactance Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because it can be used for star or delta connected load it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct it can be used for star or delta connected load it can be used for balanced or unbalanced load PF of the load can also be estimated all are correct ANSWER DOWNLOAD EXAMIANS APP
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