Switch Gear protection of fuses is generally not used beyond 200 A 100 A 20 A 50 A 200 A 100 A 20 A 50 A 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 A differential relay measures the vector difference between two currents two voltages two or more similar electrical quantities None of these two currents two voltages two or more similar electrical quantities None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker low oil circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? time-delay trip shunt trip inverse time trip None of these time-delay trip shunt trip inverse time trip None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker vaccum circuit breaker all are correct oil circuit breaker air-blast circuit breaker vaccum circuit breaker all are correct oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP