Power Systems Isolator in sub station is open under ------------- condition? full load no load short circuit any of the above full load no load short circuit any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? reactance grounding isolated grounding All of these resistance grounding reactance grounding isolated grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix nether 1 nor 2 both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 80 km 40 km any of the above 150 km 80 km 40 km any of the above 150 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is porcelain glass mica PVC porcelain glass mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. delta / star. ground star / delta. delta / delta. star / grounded star. delta / star. ground star / delta. delta / delta. ANSWER DOWNLOAD EXAMIANS APP