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? 90 120 180 60 90 120 180 60 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis No of ittretion in N R method can not be more than 30 for any system Y Bus is required for power flow analysis Approximation is used in FDLF method jacobian is always required No of ittretion in N R method can not be more than 30 for any system Y Bus is required for power flow analysis Approximation is used in FDLF method jacobian is always required ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Steady state limit Reactive power limit Transient stability limit Short circuit limit Steady state limit Reactive power limit Transient stability limit Short circuit limit 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 1.8 -0.4 1.2 0.4 1.8 -0.4 1.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve voltage profile Improve the stability Reduce the fault level Increase line impedance Improve voltage profile Improve the stability Reduce the fault level Increase line impedance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to increase the relay sensitivity block harmonics reduce the effect of non identical CTs increase the current limit increase the relay sensitivity block harmonics reduce the effect of non identical CTs increase the current limit ANSWER DOWNLOAD EXAMIANS APP