Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units power frequencies None of these either of the above higher frequencies entering generator or transformer units power frequencies None of these either of the above ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse performs detection function only None of these circuit interruption function only both detection and interruption functions detection function only None of these circuit interruption function only both detection and interruption functions ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used H.R. fuses reactors isolators earth wires H.R. fuses reactors isolators earth wires 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
EXAMIANS