Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same None of these increases decreases remains same None of these increases decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 1 A more than 5A 2.5 A 5 A 1 A more than 5A 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current overload open circuits short circuits reverse current overload open circuits short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up All of these the spring tension armature core air gap the rate of flux built up All of these the spring tension armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time lag time clearing time operation time lead time lag time clearing time operation time ANSWER DOWNLOAD EXAMIANS APP
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