Switch Gear Directional relay are based on flow of power current voltage wave All of these power current voltage wave All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents None of these two voltages two or more similar electrical quantities two currents None of these two voltages two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 300 A 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? sulphur hexafluoride carbon tetrachloride distilled water transformer oil sulphur hexafluoride carbon tetrachloride distilled water transformer oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always less than 1 always 1 None of these always more than 1 always less than 1 always 1 None of these always more than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
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