Power Systems Reactance relays are used for the protection of All of these medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease remains same None of these increase decrease remains same None of these increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 6. 24. 16. 12. 6. 24. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by using double circuit line instead of single circuit line single pole switching All of these decreasing generator inertia using double circuit line instead of single circuit line single pole switching All of these decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sparse matrix is matrix which contain more number of zeros less number of memory elements more number of memory elements more number of non zeros more number of zeros less number of memory elements more number of memory elements more number of non zeros ANSWER DOWNLOAD EXAMIANS APP