Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? 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 sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 20 A 10 A 30 A 5 A 20 A 10 A 30 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is impedance relay non-directional relay None of these directional relay impedance relay non-directional relay None of these directional relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through fuse current transformer None of these power transformer fuse current transformer None of these power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS