Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time clearing time lag time operation time lead time clearing time lag time operation time 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 sf 6 circuit breaker bulk oil circuit breaker low oil circuit breaker air break circuit breaker sf 6 circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of single phase motors only two phase motors only three phase motors two single phase motors running in parallel single phase motors only two phase motors only three phase motors two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these is quite cheap does not deteriorate with age has high speed of operation All of these is quite cheap does not deteriorate with age has high speed of operation ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors isolators ANSWER DOWNLOAD EXAMIANS APP