Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is None of these 1500/√3 A 750 A 1500 A None of these 1500/√3 A 750 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay isolator circuit breaker None of these relay isolator circuit breaker None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line unity zero None of these infinity unity zero None of these infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have economy and simplicity All of these good selectivity and reliability high speed and selectivity economy and simplicity All of these good selectivity and reliability high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is directional relay impedance relay None of these non-directional relay directional relay impedance relay None of these non-directional relay ANSWER DOWNLOAD EXAMIANS APP
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