Switch Gear Distance relays are generally impedance relays reactance relays split-phase relays none of these impedance relays reactance relays split-phase relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop no current flow heavy current flow voltage rise voltage drop no current flow heavy current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be None of these higher than that of if fault occurs away from the relay constant for all distances Lower than that of if fault occurs away from the relay None of these higher than that of if fault occurs away from the relay constant for all distances Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to ground fault line to line fault two lines to ground fault all three lines short-circuited line to ground fault line to line fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage insulation failure mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP