Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction and dissipation None of these interception interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation None of these interception interception, conduction, dissipation and reflection interception and conduction 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 750 A 1500/√3 A None of these 1500 A 750 A 1500/√3 A None of these 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA 80 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Reactance Induction type Impedance None of these Reactance Induction type Impedance None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec ANSWER DOWNLOAD EXAMIANS APP
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