Power Systems Power transmission lines are transposed to reduce skin effect proximity effect radio interference ferranti effect skin effect proximity effect radio interference ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected network any of the above star connected with grounding network delta connected network star connected network any of the above star connected with grounding network delta connected network 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-star star-delta delta-star delta-delta star-star star-delta delta-star delta-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 8 6 5 2 8 6 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator All of these Failure of excitation Over voltage Failure of prime mover of the generator All of these Failure of excitation Over voltage ANSWER DOWNLOAD EXAMIANS APP