Switch Gear Interruption of large currents by relay requires high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of All of these current voltage wave power All of these current voltage wave power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite silver tungsten carbon graphite silver tungsten carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line None of these prevent excessive currents open the circuit protect the appliance protect the line None of these prevent excessive currents open the circuit protect the appliance ANSWER DOWNLOAD EXAMIANS APP