Switch Gear The operating time of a fuse is about 0.8 sec 1 sec 1.5 sec 0.002 sec 0.8 sec 1 sec 1.5 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass iron silver steel brass iron silver steel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability economy and simplicity high speed and selectivity All of these good selectivity and reliability economy and simplicity high speed and selectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line unity None of these zero infinity unity None of these zero infinity ANSWER DOWNLOAD EXAMIANS APP
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