Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of single phase motors only three phase motors two single phase motors running in parallel two phase motors only single phase motors only three phase motors two single phase motors running in parallel two phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same None of these decreases increases remains same None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? time-delay trip None of these shunt trip inverse time trip time-delay trip None of these shunt trip inverse time trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP
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