Switch Gear An isolator is designed to open a circuit under no load None of these full load normal conditions no load None of these full load normal conditions 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 None of these 1500 A 1500/√3 A 750 A None of these 1500 A 1500/√3 A 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened manually None of these opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap the rate of flux built up the spring tension All of these armature core air gap the rate of flux built up the spring tension All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker sf 6 circuit breaker low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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