GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on the short circuit ratio of generating units fault-clearing time the strength of transmission network All of these the short circuit ratio of generating units fault-clearing time the strength of transmission network All of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking fault current load current no current charging current fault current load current no current charging current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The function of a breather in a transformer is to control the level of oil in the tank to suppress harmonics to arrest flow of moisture into the tank to provide protection against over currents to control the level of oil in the tank to suppress harmonics to arrest flow of moisture into the tank to provide protection against over currents ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Function of breather is to extract moisture from air going into the conservator.it is small container filled with silica gel.silica gel in breather will be blue colour when installedsilica gel turn into pink colour when absorb moisture.
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to both frequency and tie line load changes tie line voltage changes only tie line load changes only frequency changes only both frequency and tie line load changes tie line voltage changes only tie line load changes only frequency changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of copper tungsten carbon silver copper tungsten carbon silver ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a combination of HRC fuse and a C.B. is employed, the C.B. operates for low over load currents short circuit currents under all abnormal currents this combination is never employed in practice low over load currents short circuit currents under all abnormal currents this combination is never employed in practice ANSWER DOWNLOAD EXAMIANS APP