GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 100 200 300 150 100 200 300 150 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against excessive fault voltages corona effect lightning surge switching surge excessive fault voltages corona effect lightning surge switching surge ANSWER DOWNLOAD EXAMIANS APP
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 3 + j6 9 + j10 1 + j2 3 - j6 3 + j6 9 + j10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to reduce the effect of non identical CTs block harmonics increase the relay sensitivity increase the current limit reduce the effect of non identical CTs block harmonics increase the relay sensitivity increase the current limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In load flow analysis, the load at the bus is represented as a constant impedance connected at the bus a constant current drawn from the bus a voltag dependent impedance at the bus none of these a constant impedance connected at the bus a constant current drawn from the bus a voltag dependent impedance at the bus none of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? High gain in a system high positive correcting torque presence of dead time delay high retarding torque High gain in a system high positive correcting torque presence of dead time delay high retarding torque ANSWER DOWNLOAD EXAMIANS APP