Switch Gear A short-circuit is identified by voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through current transformer None of these power transformer fuse current transformer None of these power transformer fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current 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 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 1500 A None of these 750 A 1500/√3 A 1500 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
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