Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity good selectivity and reliability All of these economy and simplicity high speed and selectivity good selectivity and reliability All of these economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under no load normal conditions None of these full load no load normal conditions None of these full load 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 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 12.5 A 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
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