Power Systems Which of the following produces the radio interference in communication lines? None of these electro magnetic induction both 1 and 2 electro static induction None of these electro magnetic induction both 1 and 2 electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-delta star-star delta-delta delta-star star-delta star-star delta-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be doubled. one-fourth. one-half. unchanged. doubled. one-fourth. one-half. unchanged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines stability increases fault current reduces both 1 and 3 fault current increases stability increases fault current reduces both 1 and 3 fault current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 52.84 kV 48.36 kV 83.76 kV 20 kV 52.84 kV 48.36 kV 83.76 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP