Switch Gear Directional relay are based on flow of voltage wave power current All of these voltage wave power current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A 300 A more than 1000 A 100 A 200 A 300 A more than 1000 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in resistance, reactance and impedance All of these temperature voltage and current resistance, reactance and impedance All of these temperature voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection insulation failure ANSWER DOWNLOAD EXAMIANS APP
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