Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line None of these protect the appliance prevent excessive currents open the circuit protect the line None of these protect the appliance prevent excessive currents open the circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay directional relay impedance relay None of these non-directional relay directional relay impedance relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker air break circuit breaker isolator rewireable fuse oil circuit breaker air break circuit breaker isolator rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil bulk oil SFe air break minimum oil bulk oil SFe air break ANSWER DOWNLOAD EXAMIANS APP
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