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 1 + j2 3 + j6 9 + j10 3 - j6 1 + j2 3 + j6 9 + j10 3 - j6 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) To find the most accurate values of resistance and inductance of the transmission line Pi configuration is used Distributed parameter configuration used T configuration is used End condenser configuration is used Pi configuration is used Distributed parameter configuration used T configuration is used End condenser configuration is used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? permissible voltage drop voltage grade short circuit current rating current carrying capacity permissible voltage drop voltage grade short circuit current rating current carrying capacity ANSWER DOWNLOAD EXAMIANS APP
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 1 0.5 100 10 1 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Over current Relay Impedance Relay Mho Relay Reactance Relay Over current Relay Impedance Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … bus incidence matrix is a sparse matrix lines are connected to less no. of buses no of lines are less Y primitive is a sparse matrix bus incidence matrix is a sparse matrix lines are connected to less no. of buses no of lines are less Y primitive is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
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