Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero None of these infinity unity zero None of these infinity unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker None of these relay isolator circuit breaker None of these relay isolator 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 4 8 6 2 4 8 6 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have All of these low cost low melting point high conductivity All of these low cost low melting point high conductivity ANSWER DOWNLOAD EXAMIANS APP
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 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
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