Switch Gear The single phasing relays are used for the protection of single phase motors only three phase motors two phase motors only two single phase motors running in parallel single phase motors only three phase motors two phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 10 mega ohms 1 mega ohms 500 mega ohms 100 mega ohms 10 mega ohms 1 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have All of these economy and simplicity high speed and selectivity good selectivity and reliability All of these economy and simplicity high speed and selectivity good selectivity and reliability 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 insulate the contacts from switch body lubricate the contacts extinguish the arc All of these None of these insulate the contacts from switch body lubricate the contacts extinguish the arc All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of current voltage wave power All of these current voltage wave power All of these ANSWER DOWNLOAD EXAMIANS APP
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