Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite tungsten carbon silver graphite tungsten carbon silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 100 A 20 A 200 A 50 A 100 A 20 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in negative of dc circuit phase line neutral wire positive of dc circuit negative of dc circuit phase line neutral wire positive of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only ANSWER DOWNLOAD EXAMIANS APP
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