Switch Gear The device that detects the fault in a power system is circuit breaker relay isolator None of these circuit breaker relay isolator None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is directional relay non-directional relay None of these impedance relay directional relay non-directional relay None of these impedance relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker 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 6.25 A 3.125 A 25 A 12.5 A 6.25 A 3.125 A 25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP