Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 0.1 sec 0.5 sec 100 micro-second 50 milli-second 0.1 sec 0.5 sec 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line inductive reactance None of these improve line voltage compensate for line capacitive reactance compensate for line inductive reactance None of these improve line voltage compensate for line capacitive reactance 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 6.25 A 3.125 A 25 A 12.5 A 6.25 A 3.125 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay directional relay None of these impedance relay non-directional relay directional relay None of these impedance relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage ANSWER DOWNLOAD EXAMIANS APP