Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity unity zero None of these infinity unity zero None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against None of these overload open circuit, short-circuit and overload short-circuit and overload None of these overload open circuit, short-circuit and overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances higher than that of if fault occurs away from the relay None of these Lower than that of if fault occurs away from the relay constant for all distances higher than that of if fault occurs away from the relay None of these Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS