Switch Gear When a fault occur in a power system, the circuit breaker None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 0.1 sec 100 micro-second 0.5 sec 50 milli-second 0.1 sec 100 micro-second 0.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction, dissipation and reflection interception None of these interception, conduction and dissipation interception and conduction interception, conduction, dissipation and reflection interception None of these interception, conduction and dissipation interception and conduction ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 6 4 2 8 6 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current limiting device None of these current controlling device protective device current limiting device None of these current controlling device 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 sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS