Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker bulk oil circuit breaker low oil circuit breaker Sf6 CB air break circuit breaker bulk oil circuit breaker low oil circuit breaker Sf6 CB ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between None of these two or more similar electrical quantities two currents two voltages None of these two or more similar electrical quantities two currents two voltages ANSWER DOWNLOAD EXAMIANS APP
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 A fuse performs None of these detection function only circuit interruption function only both detection and interruption functions None of these detection function only circuit interruption function only both detection and interruption functions ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these isolator relay circuit breaker None of these isolator relay circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP