Switch Gear The operating time of a fuse is about 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 50 milli-second 0.5 sec 0.1 sec 100 micro-second 50 milli-second 0.5 sec 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line inductive reactance None of these improve line voltage compensate for line capacitive reactance compensate for line inductive reactance None of these improve line voltage compensate for line capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Generators Transmission line Motors Transformers Generators Transmission line Motors ANSWER DOWNLOAD EXAMIANS APP